Find your personal number using your birthday. It is the month + date + year and month X date X year.

Use this applet to solve the Towers of Hanoi puzzle.

Math activity challenges you to find out how many more games need to be played in the modern 1999 NCAA tournament during March Madness than in 1985?

This question and answer site solves a volume problem for a triangular tank.

Do you think you know weather a sphere is two dimensional or three dimensional? Read this question posed to Doctor Math, very interesting.

This question and answer site provides links to sites that show how to mathematically turn a sphere inside out.

This question and answer site from The Math Forum with Dr. Math discusses the angle between two adjacent faces of an octahedron. Links are also provided for additional information on related subjects.

Dr. Math offers a way to calculate the altitude of a triangle using only the lengths of the sides of the triangle. He briefly explains how this was used by the Egyptians long ago.

This site defines what a prism is and gives formulas for surface area and volume. Contains related links.

This site gives a brief explanation of cross products.