contents: Lottery; SlickDeal

The envelope of a family of curves is explored using symbolic algebraic manipulation and graphical analysis.

A reader submits three variations of a solution to the dinner guest problem.

Monty Hall problem (source - Marilyn Vos Savant, Parade Magazine, Sept. 9, 1990)

Classroom Chemistry Simulations

Collection of computer-based laboratories exploring the basic concepts and techniques of a standard calculus course series. Emphasizes a level of experimentation, ...

An elegant recursive method for getting large integers that are certifiably prime outperforms traditional ways of generating mere "probable primes".

We present a number of programs to investigate and visualize chaos as it occurs with iterated application of functions. We look at ways to picture orbits under repeated ...