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Pins and string
Author:
Malin Christersson
To answer a Tumblr question: Curve drawn by using three pins and a string. The curve is piecewise defined by six elliptical arcs. Move the dots to see another shape!
GeoGebra
New Resources
探究由平行線和截線所成的角
alg2_05_05_01_applet_exp_flvs
Taylor Polynomial
Poorly Drawn Parallelograms 2
Tutorial: Create lists of numbers and objects
Discover Resources
AB2015_2b Volume square cross section
Clown
aula 2 at 5
Discriminant Theory
Катков Приклад 5
Discover Topics
Logic
Arithmetic
Differential Equation
Interest Calculation
Geometric Mean