Cinderella.The Interactive Geometry Software

Gallery

Interactive examples made with Cinderella. They run directly in your browser with CindyJS – move the points, start the animations and explore. Each example can also be downloaded and opened in Cinderella.

Geometry

Visual proof of Pythagoras' theorem Malfatti's construction Kinematics and ellipses Optics

Calculus

Drawing functions Taylor expansion Chaotic iteration Numeric integration Linear regression

Discrete mathematics

Pick's theorem Convex hull Continued fractions

Fractals

L-systems

Mechanics

A bouncing ball Arrangements of springs Chaotic pendulum Coupled pendulum Conservation of momentum

Forces

Kepler ellipses Two suns and one planet Chaotic five planet movement Charged particles

Fun

A walker Big Ben Swarm simulation Sunflowers An elephant's trunk