Projects Tagged with "μαθηματικά"
From (x,t) to (v,t) to motion
By: dapontes
Views: 1131 | LoveIts: 17
Description: Drag the 5 "points" to change the graph (position x, time t). Press the button "Start" to simulate the motion according to the graph. Press the Green flag to start.
Varignon's Theorem_Remix
By: dapontes
Views: 1003 | LoveIts: 53
Description: This is a third remix of frcroth's project. "Varignon's theorem is a statement in Euclidean geometry by Pierre Varignon that was first published in 1731. It deals with the construction of a particular parallelogram (Varignon parallelogram) from an arbitrary quadrangle. The midpoints of t ... show more
Change color effect by-function
By: dapontes
Views: 923 | LoveIts: 24
Description: How to use the command < change color effect by FUNCTION> (sinus or cosinus). Click the buttons (forward-backward) to choose different images.
Make_Your_Flower
By: dapontes
Views: 677 | LoveIts: 37
Description: A remix based on my work "famous spirals" (Archimedean spiral, Fermat spiral and logarithmic spiral). Music from the Album "O Melissokomos", composed by Eleni Karaindrou It works better in presentation mode.
Mars- Retrograde motion
By: dapontes
Views: 616 | LoveIts: 28
Description: Watch Mars' apparent motion across the Earth's sky as the Earth passes in their orbits around the Sun. The retrograde otbits are caused by the overtaking Mars as they orbit the Sun. Thanks forest for the music "Act of Love". Learn more about the retrograde motion in http://en.wikip ... show more
Drawing Fields Lines
By: dapontes
Views: 545 | LoveIts: 24
Description: Thanks forest for the music (Act of Love)
Three virtual images
By: dapontes
Views: 490 | LoveIts: 12
Description: A minifig in front of two mirrors (vertical and horizontal). If you like change the position of minifig in front of the mirrors. Thanks DarthPickley for the minfig sprites and TheSaint for the music.
Projectile Motion (Demo)
By: dapontes
Views: 405 | LoveIts: 7
Description: Projectile motion and Safety Parabola!
circle_filler
By: dapontes
Views: 397 | LoveIts: 15
Description: Press the green flag and wait to draw a circle of radius R. Then click on the cat to fill the circle. If you like change the radius R and try again (thanks Karx)
Euclid's algorithm - GCD-LCM Calculator
By: dapontes
Views: 394 | LoveIts: 7
Description: A GCD and LCM calculator based on Euclid's algorithm (ELEMENTS, Book VII, Propositions 1-2). For a good explanation of Euclid's algorithm look at http://en.wikipedia.org/wiki/Euclidean_algorithm (Thanks Paddle2See!)
Drawing curves with a parallelogram
By: dapontes
Views: 353 | LoveIts: 28
Description: ABCD always is a parallelogram. The vertex D draw an interesting curve (ellipse, fish etc).
A new way to draw a flower
By: dapontes
Views: 351 | LoveIts: 19
Description: A butterfly draws a ...flower.
wheel road couple
By: dapontes
Views: 318 | LoveIts: 13
Description: 503 Service Unavailable Sorry, our server is having some difficulties. Please try again. --The Scratch Team
Drawing a torpedo with math
By: dapontes
Views: 308 | LoveIts: 16
Description: A remix of my project "triangle centroid new". It's a visual project.
Angelina Jolie to Brad Pitt Morphing
By: dapontes
Views: 299 | LoveIts: 9
Description: Morphing is a special effect in motion pictures and animations that changes (or morphs) one image into another through a seamless transition. Most often it is used to depict one person turning into another through technological means or as part of a fantasy or surreal sequence. Traditionally such a ... show more
flowers
By: dapontes
Views: 298 | LoveIts: 19
Description: Plotting flowers with Mathematics. STOP and green flag
Six mirrors_game
By: dapontes
Views: 298 | LoveIts: 16
Description: I saw the chalkmarrow's project and i decided to make another one easy game. We have one laser source, six mirrors and one target. 1.Click and drag the white dot to change the mirror's position. 2.Click and drag the red dot to change the mirror's diraction 3.Choose the position of the las ... show more
circles and squares (painting)
By: dapontesgr
Views: 290 | LoveIts: 11
Description: A project based on http://scratch.mit.edu/projects/stevetheipad/2531983 Thanks mathjp for the music
karagiozis
By: dapontes
Views: 281 | LoveIts: 11
Description: Thanks bubble-07 for the idea! Information about Greek Shadow Theatre (in Greek and in English): http://www.greekshadows.com/gr/main.html Click and drag the green circle around the screen...
Optical_Art
By: dapontes
Views: 272 | LoveIts: 13
Description: A remix of goch's project "Vasarely". New paterns with math. Music of ahaanomegas'project (Archimedes Music).
coin_probability
By: dapontes
Views: 268 | LoveIts: 14
Description: COIN EXPERIMENT.................................. With this project i want to answer the question: How many heads (or tails) I really expect to get if i toss a coin (p.e. one Greek EURO) k times? Frequency of heads (f_head) =number of heads in succesive trials of k tosses of a coin. Relative frequen ... show more
equal_dist
By: dapontes
Views: 264 | LoveIts: 6
Description: (Revised project: The witch finds the correct point, 23/04/08)
From Graph (x,t) to Simulation
By: dapontes
Views: 261 | LoveIts: 6
Description: Drag the 8 "points" to change the graph (position x, time t). Press the button "Start" to simulate the motion according to the graph. Press the Green flag to start. Thanks forest for the music.
Minifig Reflection
By: dapontes
Views: 258 | LoveIts: 5
Description: A minifig in front of a rotated mirror. Press the button GO to start the rotation and the button PAUSE to stop. Thanks DarthPickley for the minfig sprites and the TheSaint for the music. It works better in presentation mode.
Drawing an image with math
By: dapontes
Views: 257 | LoveIts: 13
Description: I found the equations (in Cartesian Coordinates) to draw an interesting image "lecteur à lunettes" in the blog of Guy Marion "Le Blog mathématique d'ABC". Music "Vals marriage" Thanks Paddle2See for helping me to draw a nice smooth line.
Square Root Spiral
By: dapontes
Views: 255 | LoveIts: 8
Description: The spiral of Theodorus. Square root spiral or root snail (L'Escargot de Pythagore)
Independent_motions
By: dapontes
Views: 251 | LoveIts: 8
Description: Thanks abee for the monkey's image and the idea. INSTRUCTIONS 1.Click green flag 2.Place girl and monkey 3.Choose the initial velocity v0 and the gravity g 4.Click on start button * Click on monkey to stamp it. The problem is a version of "The Monkey and the Hunter" ( ... show more
worm
By: dapontes
Views: 250 | LoveIts: 9
Description: The motion of a worm. I used ideas from physics (inspired from a work in MODELLUS). Press the green flag to start.
Pythagore_puzzle
By: dapontes
Views: 247 | LoveIts: 13
Description: Henry DYDENEY'S puzzle....Re-arange all the pieces (the 4 consiste a square and the small square) to make another square! Click the pieces to turn them (thanks ffred)...... Another proof of the Pytagorean theorem.
Simple Harmonic Motion on a frictionless surface
By: dapontes
Views: 239 | LoveIts: 12
Description: A block of mass (m) attached to a spring of spring constant (k) is free to move on a frictionless horizontal surface. INSTRUCTIONS 1.Choose the spring constant (k) and the mass of block (m). 2.Choose the initial position of the block (click and drag) 3.Click on the block to start the motion ... show more
Slider_Crank Mechanism
By: dapontes
Views: 235 | LoveIts: 8
Description: I saw the chalkmarrow's project and i decided to make another one mechanism but in different way. Use the sliders R and a to change the length of the crank and the angular velocity respectively. If you like change the position of the mechanism use the arrows keys (up, down, right, left). Gre ... show more
dice0
By: dapontes
Views: 234 | LoveIts: 14
Description: A simple "dice roller". Green flag to start. The project works better on presentation mode (with one list).
Parametric Mask (Remix)
By: dapontes
Views: 231 | LoveIts: 8
Description: A simple remix of DarthPickley progect "Parametric Mask".
Drawing an ellipse in a rectangle
By: dapontes
Views: 231 | LoveIts: 12
Description: A remix of abee's project. 1.Green flag to start 2.Click and drag the points A and C to draw a rectangle. 3.Press the button to draw an ellipse incide rectangle.
Drawing Tear drop curve with math
By: dapontes
Views: 228 | LoveIts: 14
Description: Thanks forest for the background. Soundtrack from newgrounds website.. and is called "SAD loop" by an account holder called flipwillie.. creative commons licence terms and conditions apply to the use of the soundtrack (Thanks forest)
Pi_Archimedes
By: dapontes
Views: 226 | LoveIts: 12
Description: Archimedes calculates π using regular polygons. STEPS -Green flag to start. -Choose polygon -Space bar to clear. Image: Pi Pie to celebrate the π at Delft University, Netherlands (Wikipedia, Pi Day).
Colorful_Image_Remix
By: dapontes
Views: 226 | LoveIts: 5
Description: A remix of Mathguy88's project. Thanks cmuriel for the idea. MODE A (automatic) Green flag to start MODE B (interactive) 1. Space bar to clear 2. Change the positions of three dots (red, green, blue) 3. Press button 1 or button 2 I would reccomend downloading and putting it in turbo speed.
Fermat1
By: dapontes
Views: 224 | LoveIts: 4
Description: PROBLEM: The principe of least time (Last revised 24/04/08)
planetary_model_Ptolemy
By: dapontes
Views: 212 | LoveIts: 6
Description: The planet revolves around the center of the epicycle which in turn revolves around the center of the larger circle. The witch draws the epicycle of radius (R) and the planet a circle of radius (r1). Click on the green flag to start. Stop and change the values of radius R and r1 with the slider ... show more
Ptolemaic Geocentric Model
By: dapontes
Views: 212 | LoveIts: 11
Description: A remix of my project about the Geocentric planetary system of Ptolemy (a simplification, thanks Paddle2See). Learn more about this in wikipedia http://en.wikipedia.org/wiki/Deferent_and_epicycle Click on the green flag to start.
Drawing an eight with math
By: dapontes
Views: 211 | LoveIts: 6
Description: The lemniscate of Gerono, or lemnicate of Huygens, or figure-eight curve, is a plane algebraic curve of degree four and shaped like an symbol of infinity, or figure eight. (http://en.wikipedia.org/wiki/Lemniscate_of_Gerono)
Polygon_morph painting in Scratch
By: dapontes
Views: 211 | LoveIts: 30
Description: Some paintings based on Geometry Morphing in Scratch. Thanks forest for the term "Geomorphing" and mathjp for the music. Thanks Paddle2See for the new title "Polygon-morph".
Drawing a Maltese cross
By: dapontes
Views: 208 | LoveIts: 13
Description: I found the parametric equations to draw the "Maltese cross" (http://mathcurve.com/courbes2d/croixdemalte/croixdemalte.shtml ). Thanks cmuriel for the music (sunshine)
mirror_girl
By: dapontes
Views: 205 | LoveIts: 7
Description: An interesting application of reflection. Press the green flag to start.
rectilinear+cyclic
By: dapontes
Views: 204 | LoveIts: 8
Description: The trajectories of three lights on a rolling wheel. Green flag to start.
moire_animation
By: dapontes
Views: 198 | LoveIts: 10
Description: Green flag to start "The moiré running horses is a pattern designed to simulate the movement of horses. As the lines of the parallel grid move across the horses pattern, an alternating series of images appears to resemble the movement". http://micro.magnet.fsu.edu/primer/java/scienc ... show more
Colors_Pen_Experiment_3
By: dapontes
Views: 192 | LoveIts: 12
Description: Another remix of cmuriel's project. Thanks forest for the music (20946_newgrounds). Press space to clear.
Drawing circles_morphing
By: dapontes
Views: 188 | LoveIts: 14
Description: Geometry morphing of a circle in Scrach. Another remix. Thanks forest for the idea and cmuriel for the music.
Tessellation of fishes
By: dapontes
Views: 187 | LoveIts: 14
Description: Thanks ffred for the sprites. Look at official website of M.C.Escher http://www.mcescher.com/
Drawing a heart with math
By: dapontes
Views: 184 | LoveIts: 13
Description: "Coeur de Raphaël Laporte (1993) Courbe trouvée par l'auteur à l'âge de 16 ans pour sa petite amie.." http://www.mathcurve.com/courbes2d/ornementales/ornementales.shtml Song from the Greek artist Monika "Over the hill".
y = 1/x (Works offline)_Remix
By: dapontes
Views: 176 | LoveIts: 4
Description: A simple remix of scmb1_prime project. Just to test it. Thanks DarthPickley.
remix of forest remix of cyclic dancing
By: dapontes
Views: 176 | LoveIts: 4
Description: This is a remix of a remix "cyclic dancing_remix" by forest. . Thanks forest for the costumes and the wonderful music. It's a visual project which works better in DISPLAY MODE offline in the scratch program
Stickman acrobat
By: dapontes
Views: 176 | LoveIts: 10
Description: A remix of my project "Varignon's theorem". Click and drag the red dots to change the stickman's direction. Thanks Ps1c for the music.
The Random Walk
By: dapontes
Views: 175 | LoveIts: 9
Description: We imagine a "game" in which a player - cat starts at the point x=0 and at each move is required to take a step either forward (towards +x) or backward (towards -x). The choice is to be made randomly, determined by the toss of a coin. How far does he get on the average? The step equals 3 ... show more
Tetrahedron
By: dapontes
Views: 175 | LoveIts: 11
Description: A remix of my project "Triangle centroid". MODE 1: Interactive - change the positions of A,B and C. MODE 2: Animation - click on button "Animate". Move the mouse without clicking.. Thanks DarkFusion (excellent project "Hyper Triangle") for the idea.
Geometry Morphing (Triangle)
By: dapontes
Views: 175 | LoveIts: 12
Description: A remix of my project "Geometry Morphing". You can change only the pen size... Music by Jean Michel Jarre (oxygene 1976 ). Thanks Paddle2See for the script (music)
Orbits2!
By: dapontes
Views: 174 | LoveIts: 4
Description: A remix of my project about "Newton's thought experiment". Thanks cmuriel for the music (Sunshine). It works better in presentation mode.
Famous_Spirals
By: dapontes
Views: 173 | LoveIts: 9
Description: Three famous spirals (Archimedean spiral, Fermat spiral and logarithmic spiral). Stop and press space bar to change the image. Thanks cmuriel for the music (Sunshine) and other ideas. It works better in presentation mode.
Vasarely Bubble
By: dapontes
Views: 171 | LoveIts: 5
Description: The Scratch "bubble construction" is inspired by the works of Victor Vasarely (1908–1997) and illustrates the distorted grids with which Vasarely so frequently worked.
parabola
By: dapontes
Views: 169 | LoveIts: 4
Description: The construction of the parabola based on definition: The locus of points which are equidistant from a given point E and a given line (the directrix).
Make_Your_Spiral
By: dapontes
Views: 169 | LoveIts: 12
Description: A remix based on my work "famous spirals" (Archimedean spiral, Fermat spiral and logarithmic spiral). Thanks cmuriel for the music. It works better in presentation mode.
Triangle's circumcenter_new
By: dapontes
Views: 169 | LoveIts: 7
Description: A remix of my project "Triangle's circumcenter". MODE 1: Interactive - change the positions of A,B and C. MODE 2: Animation - click on . Thanks ahaanomegas for the music "Archimedes music".
Random_decay_dice
By: dapontes
Views: 167 | LoveIts: 9
Description: I used only 20 dice to model the radioactive decay. Press the cat to throw the dice.
butterfly
By: dapontes
Views: 163 | LoveIts: 5
Description: A butterfly draws a ... butterfly (Inspired by a work on program MODELLUS). Press the green flag to start.
triangle_centroid_new
By: dapontes
Views: 163 | LoveIts: 12
Description: A remix of my project "Triangle centroid". MODE 1: Interactive - change the positions of A,B and C. MODE 2: Animation - click on I added greek music
parabola_tangent
By: dapontes
Views: 161 | LoveIts: 5
Description: PARABOLA AS ENVELOPE OF LINES Green flag to start the project. I based on the property of the parabola: The tangent to parabola at a point bisects the angle between the segments joining the point to the focus (F) and the directrix. The witch moves on the x-axis with a (green line) tangen ... show more
reflector_parabola
By: dapontes
Views: 161 | LoveIts: 4
Description: Experiment with a PARABOLIC REFLECTOR
The minimum distance
By: dapontes
Views: 160 | LoveIts: 7
Description: Change the speed of the cat (or duck) and see the change of the minimum distance (duck-cat) in the graph (d.t).
abstract_3D
By: dapontes
Views: 159 | LoveIts: 9
Description: Thanks mathjp for the fractal music and nevit for background.
From Graph (v,t) to Simulation
By: dapontes
Views: 159 | LoveIts: 5
Description: Drag the 4 "points" to change the graph (velocity v, time t). Press the button "Start" to simulate the motion of the girl according to the graph(v,t). Press the Green flag to start. Thanks forest for the music.
![remix of paintsplast-Drawing a torpedo with math[1]](/static/projects/dapontes/2157143_sm.png "remix of paintsplast-Drawing a torpedo with math[1]")
remix of paintsplast-Drawing a torpedo with math[1]
By: dapontes
Views: 158 | LoveIts: 7
Description: remix-visual project
Drawing a Kiss curve with math
By: dapontes
Views: 157 | LoveIts: 5
Description: How to draw a kiss curve with ...math! Thanks ahaanomegas for the music.
dancing triangles
By: dapontes
Views: 157 | LoveIts: 4
Description: It's a visual project which works better in DISPLAY MODE offline in the scratch program. Try it in Flash player. Thanks gosh for the music "Fooled by love" by Tymphony. Creative Commons License (Give Credit, Share Alike) www.jamendo.com/en/album/45082
Karaghiozis_String_remix
By: dapontes
Views: 156 | LoveIts: 8
Description: A second remix of Cyclone's project "string". Thanks nevit for the sprites. Music composed by Yiannis Kassetas (from the album FUNKABYSS, Information about Greek Shadow Theatre (in Greek and in English): http://www.greekshadows.com/gr/main.html Dedicated to Cyclone
Morphing in Scratch (interactive)
By: dapontes
Views: 155 | LoveIts: 27
Description: Morphing is a special effect in motion pictures and animations that changes (or morphs) one image into another through a seamless transition. Most often it is used to depict one person turning into another through technological means or as part of a fantasy or surreal sequence. Traditionally such a ... show more
Spiral from Circle_again
By: dapontes
Views: 153 | LoveIts: 9
Description: Thanks forest for the idea and nevit for the background.
Ellipse_Line_curves
By: dapontes
Views: 151 | LoveIts: 4
Description: A remix of my previous project Circle_Line_curves. Thanks Kostas Rapris for the idea http://mathedutech.wordpress.com/
Torricelli_new
By: dapontes
Views: 150 | LoveIts: 6
Description: The experiment and the theory. Click and drag the points 1 and 2 to change their positions. Compare the real trajectories (photo) and the simulation.
butterfly_II
By: dapontes
Views: 148 | LoveIts: 9
Description: A butterfly draws a ... butterfly II (Thanks Paddle2see for the music).
Drawing a chain with math
By: dapontes
Views: 146 | LoveIts: 2
Description: The catenary curve is formed by a rope or chain of uniform density and perfect flexibility, hanging freely between two points of suspension, not in the same vertical line. [1913 Webster] Learn more about the catenary curve in wikipedia: http://en.wikipedia.org/wiki/Catenary
Pythagoras_proof1
By: dapontes
Views: 144 | LoveIts: 11
Description: A visual demonstration of Pythagorean Theorem. Green flag to start.
Famous_curves
By: dapontes
Views: 143 | LoveIts: 9
Description: A butterfly draws famous curves. Click on the green flag to start. Thanks mathjp for the music.
Tesselation of Lizards
By: dapontes
Views: 142 | LoveIts: 6
Description: Another example of tessellation!
Square_Circle_Billiard
By: dapontes
Views: 142 | LoveIts: 9
Description: Thanks forest for the music
Pi-The_Monte_Carlo_Remix
By: dapontes
Views: 141 | LoveIts: 6
Description: A remix of buddha108 project (Pi The Monte Carlo Method). I've added a graph and i used the circle quadrant...
reflection_dance (Remix)
By: dapontes
Views: 140 | LoveIts: 11
Description: Reflections again! Thanks mathjp for the music (Project System1)
Change color effect by_position
By: dapontes
Views: 138 | LoveIts: 5
Description: How to use the command < change color effect by POSITION> (x_position, y_position).
Heron
By: dapontes
Views: 136 | LoveIts: 2
Description: Problem solving: AP+PB=minimum How does the witch finds the correct position?
Trampoline_interactive
By: dapontes
Views: 133 | LoveIts: 2
Description: Green flag to start. Use the Arrows Keys (or the buttons) to control the cat's speed. Try to make a vertical (or an horizontal) motion of the cat! Thanks bharvey for the idea.
Tessellation_Kangaroos
By: dapontes
Views: 133 | LoveIts: 5
Description: The idea to make a tessellation and the image of Kangaroo: http://pagesperso-orange.fr/therese.eveilleau/pages/jeux_mat/textes/kangourou.htm
parallelogram from a quadrangle
By: dapontes
Views: 131 | LoveIts: 9
Description: This is a remix of frcroth's project. I used a different method. Change the positions of A, B, C and D by clicking and dragging. "Varignon's theorem is a statement in Euclidean geometry by Pierre Varignon that was first published in 1731. It deals with the construction of a particular para ... show more
Pythagorian Theorem
By: dapontes
Views: 131 | LoveIts: 12
Description: Another proof of Pythagorian's Theorem. Thanks ahaanomegas for the music (Archimedes music).
circle_art2
By: dapontes
Views: 130 | LoveIts: 8
Description: Geometry+Scratch=Art This melody is part of the extraordinary soundtrack of the 1998 Greek series "Aithousa tou Thronou", the Throne Room. Composed by Evanthia Reboutsika
Συντεταγμένες (Χ,Υ)
By: dapontes
Views: 126 | LoveIts: 2
Description: Αυτό το πρόγραμμα είναι remix του πρότζεκτ του nevit (remix του προγράμματος Ahaanomegas). ΟΔΗΓΙΕΣ 1) Με κλικ σε οποιοδήποτε σημείο της οθόνης τοποθετείτε σ'αυτό τη γάτα. 2.Με κλι ... show more
Decomposition of a Vector
By: dapontes
Views: 126 | LoveIts: 6
Description: Click and drag the arrow F to change the vector. Click and drag the A and B to change the angle of the axis OA and OB.
Stickman animation_morphing
By: dapontes
Views: 125 | LoveIts: 10
Description: This project is my first attempt to animate a stickman by morphing between an initial and a final animated images in Scratch. My problem is the system of refference to create the stickman animation. I'll try... Thanks77laura for the music and Lucario621 for the encouragement.
Center of mass or Barycenter
By: dapontes
Views: 123 | LoveIts: 5
Description: We have four objects (with masses m1, m2, m3, m4). The program calculates the position of center of mass G. Click and drag to change the positions of m1, m2, m3, and m4. Choose the values of mass..
Abstract Trigonometric Flowers
By: dapontes
Views: 122 | LoveIts: 3
Description: A simple remix of Ahaanomegas's project. ORIGINAL NOTES This is a project where different shapes are drawn using the basic trigonometric functions: sin cos tan You can adjust the words of the poem using the silver slider which you can move up and down according to where you want the words to be. ... show more
Archimede_spiral
By: dapontes
Views: 121 | LoveIts: 3
Description: The Archimedean spiral (interactive) Synthesis of two motions
Drawing a fish with math
By: dapontes
Views: 119 | LoveIts: 5
Description: A simle remix of my project "Drawing an image with math" Music "Vals marriage"
Pythagorean_theorem0
By: dapontes
Views: 118 | LoveIts: 4
Description: A very simple demonstration of the Pythagorean Theorem (a2=b2+c2). If you like change the position of A..
Cassini eggs
By: dapontes
Views: 117 | LoveIts: 8
Description: In mathematics, a Cassini oval is a set (or locus) of points in the plane such that each point p on the oval bears a special relation to two other, fixed points q1 and q2: the product of the distance from p to q1 and the distance from p to q2 is constant. http://en.wikipedia.org/wiki/Cassini_oval ... show more
Cissoid of Diocles
By: dapontes
Views: 117 | LoveIts: 3
Description: Diocles of Carystus (240 BC – 180 BC) was a Greek mathematician who was the first to prove the focal property of a parabolic mirror and studied the cissoid curve as part of an attempt to duplicate the cube. Learn more: http://en.wikipedia.org/wiki/Cissoid_of_Diocles INSTRUCTIONS STOP -- ... show more
Pantograph
By: dapontes
Views: 113 | LoveIts: 8
Description: Use the arrows keys to move the cat (right, left, up, down) OR click and drag the cat to design... Spacebar to clear. A pantograph (from Greek roots παντ- 'all, every' and γραφ- 'to write', from their original use for copying writing) is a mechanical linkage connected in a manner based ... show more
torpedo_lines
By: dapontes
Views: 113 | LoveIts: 10
Description: A torpedo again without Trigonometry! Use Flash player (Turbo Mode-SHIFT+green flag) Thanks mathjp for the music.
Ellipsograph_Proclus
By: dapontes
Views: 113 | LoveIts: 3
Description: An ellipse drawer attributed to Archimedes (or trammel construction or L'Ellipse du jardinier! ). The point A is attached to the horizontal axis in such a way that it can slide along the axis. Similarly, the point 0 is attached to the vertical axis and allowe to slide along it. The point at the e ... show more
Temperature Conversion - Celsius to Fahrenheit
By: dapontes
Views: 113 | LoveIts: 10
Description: A project about the temperature conversion: From Celsius to Fahrenheit. Use the slider to change the value of temperature (C). Look at wikipedia http://en.wikipedia.org/wiki/Fahrenheit Thanks Kinderlabor for his suggestion.
Colors_Pen_Experiment(II)
By: dapontes
Views: 111 | LoveIts: 5
Description: A third remix of cmuriel's project. I used variables to control the program. Music of Jean Michel Jarre (oxygene 1976 ). Press space to clear. Thanks chuchumon!
Two rods and one duck
By: dapontes
Views: 111 | LoveIts: 13
Description: A visual project. Drawing with two rods and one duck. Thanks goch for the music (Fooled Love).
Cartesian Eggs
By: dapontes
Views: 110 | LoveIts: 3
Description: René Descartes, a famous French mathematician and philosopher invented the Cartesian coordinates that bear his name, and also discovered an interesting way to produce more egg-shaped curves. A Cartesian Oval is the figure consisting of all those points for which the sum of the distance to one focu ... show more
Pythagoras_proof3
By: dapontes
Views: 107 | LoveIts: 6
Description: Pythagorean Theorem: Proof Without Words! Green flag to start..................................... Πυθαγόρειο Θεώρημα: Απόδειξη "Χωρίς Λόγια"
Young's_Interference
By: dapontes
Views: 107 | LoveIts: 5
Description: An interference pattern involving water waves is produced by two vibrating sources (S1 and S2) at the water's surface. Change the positions of S1 and S2 (click and drag). With the red particle-test i mesure the "path difference". Space bar to clear.. Thanks to DarthPickley f ... show more
Yo-Yo game
By: dapontes
Views: 107 | LoveIts: 6
Description: After demo click and drag the sprite-man to play yo-yo. Press green flag to startd
Varignon's Theoreme_demonstration
By: dapontes
Views: 107 | LoveIts: 6
Description: This is another remix of frcroth's project but this time isn't interactive. "Varignon's theorem is a statement in Euclidean geometry by Pierre Varignon that was first published in 1731. The midpoints of the sides of an arbitrary quadrangle form a parallelogram. If the quadrangle is convex ... show more
spiral_from_circle
By: dapontes
Views: 105 | LoveIts: 5
Description: Thanks forest for the music http://scratch.mit.edu/projects/forest/701139
Six_bug_problem
By: dapontes
Views: 104 | LoveIts: 8
Description: Six bugs start from the corners of a hexagon. Each one moves on the direction of its clockwise neighbor. I used the very nice sprite-bug from a project of paddle2See. Thanks.
Right_angle_mirror
By: dapontes
Views: 104 | LoveIts: 4
Description: RIGHT ANGLE MIRROR: 3 images ................ INSTRUCTIONS 1) Green flag to start 2) Click on the stage (white region of the screen) 3) Move the mouse (without click) and the pen will draw anything you want 4) SPACE bar to record the motion of the pen 5) Press the button PLAY to draw the 3 images. T ... show more
power_remix
By: dapontes
Views: 103 | LoveIts: 1
Description: A simple remix of the project "power" of Mayhem (http://scratch.mit.edu/projects/Mayhem/287259). I've added a list (and the cat....). Green flag to start.
Ellipse_Drawer
By: dapontes
Views: 102 | LoveIts: 8
Description: The Dutch mathematician Franz Van Schooten (1615-1660) came up with a simple device for drawing ellipses. As the point O is dragged along the horizontal axis, the point P (pen) traces out an ellipse. ........ Green flag to start - Space bar to clear.
Two_conic_sections
By: dapontes
Views: 100 | LoveIts: 3
Description: Plot a parabola or an hyperbola point-by-point. Green flag to start. Space to clear. I made this project for buddha108.
Swirl Math Art_Remix
By: dapontesgr
Views: 100 | LoveIts: 8
Description: Μ'άρεσε το project του Mathguy88 και έφτιαξα ένα remix. Η μουσική είναι του Γιάννη Κασσέτα. Thanks Mathguy88..
Elliptical_Billiard
By: dapontes
Views: 99 | LoveIts: 4
Description: Choose an ellipse with the sliders a and b and press the green flag. The length of the major axis is 2a and the length of the minor axis is 2b. Press the button to start the motion of different balls.
abstract painting - Remix
By: dapontes
Views: 99 | LoveIts: 2
Description: A remix of forest's project.
Circle_Line_curves
By: dapontes
Views: 99 | LoveIts: 3
Description: Thanks Kostas Rapris for the idea http://mathedutech.wordpress.com/ Dedicated to Kostas
Vals_marriage
By: dapontes
Views: 98 | LoveIts: 8
Description: A remix of other projects (cmuriel, forest, dapontes). Space bar to clear. Music: Eleni Karaindrou (song of marriage)
effects...effects...effects
By: dapontes
Views: 96 | LoveIts: 9
Description: A visual project. Music by Karaindrou (Vals of marriage)
visual project 1
By: dapontes
Views: 94 | LoveIts: 5
Description: A visual project based on my project "2 rods and 1 duck". Use Flash player (Turbo mode, CHIFT+green flag) Thanks mathjp for the music (Nino Rota)
Think a number (Greek version)
By: dapontesgr
Views: 93 | LoveIts: 0
Description: Ένα πρόγραμμα (μετάφραση στα Ελληνικά) από το dapontes. Πληκτρολόγησε ότι σε ρωτάει.
Diophantine equation
By: dapontes
Views: 93 | LoveIts: 2
Description: Diophantus, the "Father of Algebra" (3th century) Look at wikipedia about the diophantine equations http://en.wikipedia.org/wiki/Diophantine_equation
Drawing Rhombus (Morphing)
By: dapontes
Views: 93 | LoveIts: 5
Description: A remix of my project (account dapontesgr) Thanks forest for the music. Thanks jTron for the title (Rhombus instead of Square)
Fibonacci_numbers
By: dapontesgr
Views: 91 | LoveIts: 2
Description: Βασιζόμενος σε ένα προηγούμενο έργο μου (dapontes) έφτιαξα μια γεννήτρια αριθμών Fibonacci και πρόσθεσα τον υπολογισμό του "Χρυσού Λόγου" (Golden Ratio)
velocity_pilot_game
By: dapontes
Views: 90 | LoveIts: 3
Description: To pilot the cat moving on the road click and drag the end of the vector-velocity. Green flag and click the button... It works better in presentation mode.
Graph of Numerical Data
By: dapontes
Views: 89 | LoveIts: 4
Description: Just for test Scratch 1.4 Look at Paddle2seefixt's project http://scratch.mit.edu/projects/Paddle2SeeFixIt/661551
torpedo with guide curves
By: DarthPickley
Views: 88 | LoveIts: 2
Description: A remix of dapontes' project you can now see the curves traced out by the midpoints. (except the one opposite green; it is just a line.)
Trigonometric_Circle
By: dapontesgr
Views: 87 | LoveIts: 1
Description: Τριγωνομετρικός κύκλος (κύκλος με ακτίνα ίση με μια μονάδα μήκους) για ημ, συν, εφ και σφ. 1) Με κλικ στο πράσινο σημαιάκι ξεκινάς... 2) Με κλικ και σύρσιμο στο λευκό κ ... show more
ellipse_filler
By: dapontes
Views: 86 | LoveIts: 3
Description: ELLIPSE FILLER Choose the semimajor axis a and semiminor axis b. If you like choose the filling color. Press on the green flag to start.
Album_spirals
By: dapontesgr
Views: 84 | LoveIts: 1
Description: Χρησιμοποίησα εικόνες-στιγμιότυπα από δύο projects: http://scratch.mit.edu/projects/dapontes/614880 ( Make your flower) http://scratch.mit.edu/projects/dapontes/503255 (Famous spiral)
pythagoras_proof2
By: dapontes
Views: 83 | LoveIts: 6
Description: A visual demonstration of Pythagorean theorem. Green flag to start.
curves from circular motions
By: dapontesgr
Views: 82 | LoveIts: 3
Description: Ας φανταστούμε ένα σημειακό αντικείμενο το οποίο πραγματοποιεί ομαλή κυκλική κίνηση γύρω από ένα σταθερό κέντρο ακτίνας ρ1 και γωνιακής ταχύτητας ω1 ως προς ακίνητ ... show more
visual project_Nicomede
By: dapontes
Views: 82 | LoveIts: 5
Description: Use Flash player (Turbo Mode-SHIFT+green flag) An alternative "point of view" of the construction of Nikomede's curve. Thanks forest for the music Press green flag to start.
ellipse_random
By: dapontes
Views: 81 | LoveIts: 3
Description: A family of ellipses.. You can change the focci S1 and S2 (thanks Paddle2See) and the color. Space bar to clear. Thanks DarthPickley!
butterflies
By: dapontes
Views: 81 | LoveIts: 3
Description: A simple remix of my project electric-dipole. Thanks forest for the background and music.
How to add a list of integers (2)
By: dapontesgr
Views: 80 | LoveIts: 2
Description: Μέθοδος δεύτερη: Πώς να υπολογίζω το άθροισμα ακέραιων αριθμών σε αριθμητική πρόοδο; http://en.wikipedia.org/wiki/Carl_Friedrich_Gauss
Tetrahedron_Remix
By: dapontesgr
Views: 80 | LoveIts: 2
Description: A remix of my project "Triangle centroid". Thanks ffred for the suggestion "...it could be even better if a line was drawn between the upper vertex and the barycenter". MODE 1: Interactive - change the positions of A,B and C. MODE 2: Animation - click on Thanks ... show more
cyclic_dancing
By: dapontes
Views: 77 | LoveIts: 5
Description: A simple remix of my project (cyclic_dancing). I've added the Monika's song "Over the Hill). It works better in presentation mode.
abstract_test_again
By: dapontes
Views: 77 | LoveIts: 6
Description: A remix of my project abstract_test. I used math to create this project. Thanks forest for the beautiful backgrounds and Ahaanomegas for the music (Archimede)
Nicomede_new2
By: dapontes
Views: 74 | LoveIts: 2
Description: An alternative "point of view" of the construction of Nikomede's curve. The witch moves in the line AB with the rod (2a). Μια εναλλακτική προσέγγιση της καμπύλης του Νικομήδη... Press green flag to start. Thanks Forest for the backgroun ... show more
Forces
By: snikos_scratch
Views: 74 | LoveIts: 3
Description: Σύνθεση δυνάμεων για την Β Γυμνασίου Force synthesis for the 8th grade
Heron_square_root
By: dapontes
Views: 73 | LoveIts: 1
Description: Calculation of the square root of a number (a) by Heron's method. Click on the buttons (1,2...5) to start.
triangle_exterior
By: dapontes
Views: 71 | LoveIts: 2
Description: This work is based on the ideas of the "Turtle Geometry" (S. Papert, A. Disessa) ...... Green flag to start. I would like to thank my friends ffred and DrSuper for helping me test this project...
summing and averaging a list of numbers
By: dapontes
Views: 71 | LoveIts: 1
Description: Test of Scratch 1.4 A very simple Calculator. Type a NUMBER (positive or negative -thanks Paddle2see) and click the check mark or press the Enter Key.
Angle_trisection01
By: dapontes
Views: 70 | LoveIts: 2
Description: PROBLEM Angle trisection by Archimedian spiral
Illusions_12_slides
By: dapontesgr
Views: 69 | LoveIts: 0
Description: Το ερώτημα που θέτουμε εδώ αναφέρεται στις οπτικές ψευδαισθήσεις που οφείλονται στο ότι η εικόνα που προσλαμβάνει ο αμφιβληστροειδής ερμηνεύεται από τον εγκέφαλό ... show more
Reflection Symmetry
By: dapontes
Views: 69 | LoveIts: 8
Description: Reflection symmetry for 4 objects. It works only in JAVA player. 1.Green flag to start 2.Click and drag the objects (ghost, girl, boy)
Four_bug_problem
By: dapontes
Views: 68 | LoveIts: 6
Description: In this project four bugs start from the corners of a square. Each one moves on the direction of its clockwise neighbor. I used the very nice sprite-bug from a project of paddle2See. Thanks.
Colors Pen Experiment (remix)
By: dapontes
Views: 67 | LoveIts: 4
Description: A remix of cmuriel's project. I used variables to control the program and i added the music of Jean Michel Jarre (oxygene 1976 ). It works better in presentation mode.
Relative Motion (II)- Circular motion
By: dapontesgr
Views: 67 | LoveIts: 1
Description: Μια σφαίρα εκτελεί ομαλή κυκλική κίνηση (με γωνιακή ταχύτητα ω και ακτίνα R). Ο παρατηρητής - γάτα κινείται με σταθερή ταχύτητα υ=ωR. Αυτό που αντιλαμβάνεται η γάτα εί ... show more
Circular Billiard Table
By: dapontes
Views: 66 | LoveIts: 11
Description: Please use JAVA player (Thanks s_federici). Click on the stage to start. Depending on the ball's starting position and initial direction, it can follow paths that never penetrate an inner circular region of a certain diameter in the middle of the table. Thanks forest for the music (Act of Love) ... show more
triangle_interior
By: dapontes
Views: 64 | LoveIts: 6
Description: This work is based on the ideas of the "Turtle Geometry" (S. Papert, A. Disessa) and concerns the PROPOSITION 32 of BOOK I (Euclid's Elements)...... Green flag to start I would like to thank my friend ffred for helping me test this project...
Απόδειξη της σχέσης α=υ2/R
By: dapontesgr
Views: 64 | LoveIts: 3
Description: Βασίστηκα σε ένα video (μιας ενδιαφέρουσας απόδειξης της σχέσης α=υ^2/R) που ανάρτησε ο Στέργιος Ναστόπουλος στο Κοινωνικό Δίκτυο "Διδάσκοντας Φυσικές Επιστήμες".
Drawing_together with math
By: dapontes
Views: 63 | LoveIts: 6
Description: A remix of my projects: butterfly, oriental person, worm and fish. Green flag to start.
Images from mathjp'projects
By: dapontesgr
Views: 63 | LoveIts: 4
Description: Μια συλλογή εικόνων από διάφορα projects του mathjp.
cycloid_new
By: dapontesgr
Views: 63 | LoveIts: 1
Description: Πειραματίζομαι με την κυκλοειδή καμπύλη. Πρόκειται για remix του προγράμματος cycloide (dapontes). ΟΔΗΓΙΕΣ 1.Με τους μεταβολείς ν και ω επιλέγω τη μεταφορική ταχύτητα και ... show more
trisection_neusis_Nicomede
By: dapontes
Views: 62 | LoveIts: 2
Description: Trisection of an angle by Nicomede (200 ΒC). green flag to start, then green button (bottom right of the screen). Τριχοτόμηση μιας γωνίας με τη μέθοδο του Νικομήδη. Πρώτα πατάμε το πράσινο σημαιάκι και μετά το πράσ ... show more
Stickman Morphing in Scratch
By: dapontes
Views: 62 | LoveIts: 5
Description: Stickman morphing in Scratch! Morphing is a special effect in motion pictures and animations that changes (or morphs) one image into another through a seamless transition.... http://en.wikipedia.org/wiki/Morphing
Pythagorean Analogs for Similar Triangles
By: dapontes
Views: 62 | LoveIts: 2
Description: Four years on Scratch Website! Euclid's Elements, Book VI, Proposition 31. http://aleph0.clarku.edu/~djoyce/java/elements/bookVI/propVI31.html It works better in JAVA player... Thanks Wes64 for the music.
Pythagorean Analogs for Similar Rectangles
By: dapontes
Views: 60 | LoveIts: 3
Description: It works better in JAVA player... *Change the sides b (=AC) and c (=AB) with sliders b and c. *Click and drag the dot D to change the rectangle BDEC. Verify that Area (BDEC)=Area(ACFG)+Area (ABIH). Thanks ahaanomegas for the music
Two rods and a duck (Remix)
By: dapontesgr
Views: 59 | LoveIts: 1
Description: A visual project (remix of dapontes's project "Two rods and a duck") Thanks mathjp for the music
How to add a list of integers
By: dapontesgr
Views: 56 | LoveIts: 1
Description: Μέθοδος πρώτη: Πώς να υπολογίζω το άθροισμα ακέραιων αριθμών σε αριθμητική πρόοδο; http://en.wikipedia.org/wiki/Carl_Friedrich_Gauss
abstract_test
By: dapontes
Views: 49 | LoveIts: 2
Description: Test.... Thanks forest for the music. It works better in presentation mode.
Symmetry_mirrors
By: dapontesgr
Views: 49 | LoveIts: 0
Description: Πρόκειται για ένα remix έργo στο οποίο πρόσθεσα ελλειπτική κίνηση στο αντικείμενο minifig καθώς και τη δυνατότητα αλλαγής του ρυθμού κίνησης με ένα μεταβολέα με τιμές μι ... show more
Geometry Morphing (Circle)
By: dapontesgr
Views: 49 | LoveIts: 2
Description: Γεωμετρική "μεταμόρφωση" του κύκλου στο περιβάλλον του Scratch. Geometry morphing of a circle in Scrach. Another remix. Thanks forest for the music.
The Dove (Remix)
By: dapontes
Views: 48 | LoveIts: 5
Description: A simple visual project (remix of S-C-R-A-C-H's project). http://scratch.mit.edu/projects/S-C-R-A-T-C-H-E-R/2348872 Thanks Ahaanomegas for the music
cyclic_dancing_Remix
By: dapontesgr
Views: 47 | LoveIts: 3
Description: Πρόκειται για ένα project Remix του "cycling dancing" (dapontes).
reflection_mirror1
By: dapontesgr
Views: 45 | LoveIts: 1
Description: Μια εφαρμογή του νόμου της ανάκλασης. Μπορείς να μετακινήσεις το αγόρι (με κλικ και σύρσιμο) σε όποια θέση της οθόνης επιθυμείς.
Abstract painting
By: dapontesgr
Views: 42 | LoveIts: 1
Description: Μια προσπάθεια αφηρημένης "ζωγραφικής" με τη χρήση απλών εντολών. Βασίστηκα σε προηγούμενο project.... A slight remix of my project (dapontes). One sprite-one script drawing without math. Thanks ahaanomegas for th ... show more
Relative Motion (IV)- Rain Drop
By: dapontesgr
Views: 32 | LoveIts: 0
Description: Μια σταγόνα πέφτει κατακόρυφα προς τα κάτω με ταχύτητα υ_rain. Ο παρατηρητής - γάτα κινείται με σταθερή ταχύτητα υ_cat. Αυτό που αντιλαμβάνεται η γάτα είναι μια ευθύγραμ ... show more
The Goch's Levitation Show
By: dapontesgr
Views: 31 | LoveIts: 2
Description: I like the goch's project and i made a remix. I added the animated morphing and i changed the point of reference for the main animation.
Geometry Morphing (Square)
By: dapontesgr
Views: 27 | LoveIts: 1
Description: Γεωμετρική "μεταμόρφωση" ενός κύκλου στο περιβάλλον του Scratch. A remix of my project (dapontes) Thanks cmuriel for the music (Sunshine)
Stickman_Marionette animation
By: dapontes
Views: 26 | LoveIts: 2
Description: A marionette is a puppet controlled from above using wires or strings depending on regional variations. A marionette's puppeteer is called a manipulator. Marionettes are operated with the puppeteer hidden or revealed to an audience by using a vertical or horizontal control bar in different forms of ... show more
Patterns
By: kassoti
Views: 16 | LoveIts: 1
Description: Το πρόγραμμα δημιουργήθηκε από την Όλγα Κασσώτη στα πλάισια του προγράμματος "Επινόηση" το 2008. This game was created by OLGA KASSOTI as a part fulfilment of my participation in project EPINOHSH 2008.
art_octagon_k
By: kglezou
Views: 14 | LoveIts: 1
Description: Παίζοντας-σχεδιάζοντας οκτάγωνα (στα ελληνικά - in greek).
