Touch Mathematics is a collection of interactive mathematics visualizations.
The concepts of tangents, slope, secants, limits, extrema and points of inflection interactively related to the first and second derivatives of a variety of basic functions.
Try it! Touch Derivatives »
An interactive visualization of the six basic trigonometric functions: sine, cosine, tangent, cosecant, secant, cotangent.
Try it! Touch Trigonometry »