An interactive site with exercises and basic information covering K-12 arithmetic, fractions, integers, decimals, algebra, geometry and statistics. Also: practical math: converters for currency, temperature, distance,...

This applet, created by Rice University's Virtual Lab in Statistics, allows students to manipulate a histogram and observe changes in the mean and median. The site includes links to exercises and descriptions of...

Created by Alan Heckert and James Filliben, this part of the National Institute of Standards and Technology NIST Engineering Statistics handbook contains case studies for the measurement process chapter. More...

This is the description and instructions for the Monte Carlo Estimation of Pi applet. It is a simulation of throwing darts at a figure of a circle inscribed in a square. It shows the relationship between the geometry...

Statistics textbooks can easily cost over $150. But what if you could get the same information for free? This somewhat unattractive but incredibly informative site provides everything a big, fat, hard-covered stats book...