Statistics

Calculate range online with instant browser-based results.

Calculate root mean square online with instant browser-based results.

Calculate harmonic mean online with instant browser-based results.

Calculate geometric mean online with instant browser-based results.

Measure how far a value is from the mean in standard deviation units.

Calculate percent error from accepted and experimental values for science and math work.

Calculate simple probability for classroom examples, ゲーム, and quick odds checks.

Measure how spread out values are around the mean for classwork, 報告, and quick analysis.

Analyze a number list with basic descriptive statistics directly in the browser.