Maths

3.14159.biz - The Number Pi
Learn about the number pi from a website and forum dedicated to this special number.
http://3.14159.biz

Numerical Mathematical Utilities
Several numerical mathematical utilities. For example, utilities for solving the Quadratic, Cubic, and Quartic Equations; solving N Equations in N Unknowns; Eigenvalues and Eigenvectors; and more.
http://www.akiti.ca/Mathfxns.html