Resources Master the key principles of statistics with GraphPad's hugely popular educational guides and resources. 125+ Expert-Led Videos Advance your skills and get more from your …

Create publication-quality graphs and analyze your scientific data with t-tests, ANOVA, linear and nonlinear regression, survival analysis and more.

Analyze, graph and present your scientific work easily with GraphPad Prism. No coding required.

Analyze, graph and present your scientific work easily with GraphPad Prism. No coding required.

Free web calculator provided by GraphPad Software. Performs Grubbs' test Extreme Studentized Deviate (ESD) method. Clear results with links to extensive explanations.

Gain access to our online training center designed to help you master the fundamentals of Prism and key statistical concepts: t tests, ANOVA, linear regression; how to use Prism and much more!

QuickCalcs Run statistical analyses quickly and directly in your browser

2 Minutes Analyze, graph and present your scientific work easily with GraphPad Prism. No coding required.

Analyze, graph and present your scientific work easily with GraphPad Prism. No coding required.

Oct 24, 2025 · Explore the Knowledgebase Analyze, graph and present your scientific work easily with GraphPad Prism. No coding required.