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Math help since 1998. Math Goodies helps kids at all levels with interactive instruction and free resources. Get help online or offline.

Random Number Generator provides free, custom random numbers for the lottery or games. Get lucky in Lotto with RandomNumbergenerator.com

Research Randomizer -- A Free Tool for Instant Random Sampling and Assignment.

Psychic Science - free educational-entertainment resources for psychical research, parapsychology and mind magic, including ESP tests and psychic games

GraphPad Prism is a powerful combination of biostatistics, curve fitting (nonlinear regression) and scientific graphing in one comprehensive program. Easily organize, analyze and graph repeated experiments; pick appropriate statistical tests and inte...

User-friendly introduction to statistics, probability, and survey sampling. Free, online tutorials - a general statistics tutorial and a tutorial tailored to the Advanced Placement (AP) Statistics curriculum. Online tools - statistical tables, probab...

HowStuffWorks Computer gets you explanations, reviews, opinions and prices for the Internet, home networking, hardware, and software.