Showcases

Geometry

• Euler line II
• Displaying GEONExT constructions
• Geometric constructions with JessieScript and Interactive JessieScript
• Three touching circles
• Apollonian circle packing
• Trigonometric functions
• Approximation of the circle area and Circle approximation
• Five Circle Theorem
• Circum circles of subtriangles
• Sine and cosine
• Two reflections I (parallel lines)
• Two reflections II (intersecting lines)
• Circle inversion and Poincare disc model (hyperbolic geometry)
• Reuleaux pentagon
• Rolling Reuleaux triangle
• Reflect images
• Intersection of circles
• All examples from Category:Geometry
• All examples from Category:Roulettes

Statistics

• Data plot of live data via AJAX
• Analyze data with the Statistics software R
• Time series forecasting: double exponential smoothing
• Polynomial regression I, Polynomial regression II
• Least-squares circle fitting
• Least-squares line fitting

Calculus and function plotting

• Newton's root finding method
• Power Series for sine
• Even simpler function plotter and Simple function plotter (JavaScript syntax), Parametric curve plotter, Polar curve plotter
• Rational functions
• Riemann sums, Riemann sum II, Riemann sum III, Arc length, Continuous functions, Riemann integrability
• Discontinuous derivative
• Antiderivative
• Lagrange interpolation and Cubic spline interpolation
• Differential equations and Systems of differential equations
• Population growth models
• Polar grid
• All examples from Category:Calculus

Curves

• Hypotrochoid
• Limaçon of Pascal
• Watt's curve
• Archimedean spiral
• Lissajous curves
• Semicubical parabola
• Tschirnhausen Cubic Catacaustic
• B-splines, Bezier curves, Bezier curves II
• Circles on circles
• Polynomial curve of constant width
• All examples from Category:Curves

Intersection, Union, Difference

• Intersection of curves I
• Intersection of curves II
• Intersection of functiongraphs

Fractals

• Sierpinski triangle
• Koch curve
• All examples from Category:Fractals, see also Turtle Graphics and L-systems

Turtle Graphics

• L-systems, or Lindenmayer Systems
• Epidemiology: The SIR model (Simulation of differential equations with turtle graphics)
• Turtle spiral
• Random walks
• All examples from Category:Turtle Graphics

Charts

• Animated age pyramid
• German election 2009
• Google style chart
• Google style chart - interactive
• Dynamic bar chart
• Pie chart
• Charts from HTML tables
• Different chart styles
• Display stock quotes from Yahoo!
• Map with German administrative districts
• Real-time graphing
• Time series II
• All examples from Category:Charts

Various topics

• "Infinity"
• Snake - the game
• Circles on circles using jQuery sliders
• Colorful circles
• The HSV color scheme (hue, saturation and value)
• Stomachion
• Tangram