HEATKEYS

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...

Comprehensive encyclopedia of mathematics with 13,000 detailed entries. Continually updated, extensively illustrated, and with interactive examples.

Statistical resources for social scientists, including Z-test, Chi-square & T-test statistical calculators.

Web site for statistical computation; probability; linear correlation and regression; chi-square; t-procedures; t-tests; analysis of variance; ANOVA; analysis of covariance; ANCOVA; parametric; nonparametric; binomial; normal distribution; Poisson di...

The University of Delaware, founded in 1743, offers over 100 academic majors; its distinguished faculty includes internationally known scientists, authors and teachers.

DanielSoper.com - The homepage of Daniel Soper

Online tools and calculators for biology, bioinformatics, statistics, and medical statistics.

StatsDirect statistics software for biomedical and public health research. Easy to use; state-of-the-art methods; well-documented; affordable; free trial

MedCalc statistical software for biomedical research, including ROC curve analysis, method comparison and quality control tools. Free trial available.