- Pearson's Chi Squared Test P-Value Calculator: Calculates cumulative values of the Chi Squared Distribution and plots the distribution. (Ahem, this would actually be statistics, wouldn't it?)
- Fun with polynomials:
- Converting the Laplacian Operator from Cartesian to Cylindrical and Spherical Coordinates
- Solving the angular part of Laplace's Equation for Legendre Polynomials and Spherical Harmonics
- Laplacian Operator in Parabolic Coordinates
- The Gamma Function
- Rotations about an arbitrary unit vector in three dimensions