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Math and Statistics Tools

Solve geometry, statistics and advanced mathematics with transparent formulas and constraints.

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Each page explains its method, limitations, privacy behaviour and review evidence before you rely on the output.

Math and Statistics

Coin Flip

Flip one or many fair virtual coins using Web Crypto randomness with transparent result counts.

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Math and Statistics

Dice Roller

Roll standard or notation-based dice locally using unbiased Web Crypto random values.

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Math and Statistics

Triangle Calculator

Solve valid triangles from supported side and angle combinations with visible formulas and ambiguity handling.

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Math and Statistics

Quadratic Range Sampler

Sample 21 points from a quadratic function over a chosen range and report its observed minimum and maximum values.

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Math and Statistics

Quadratic Derivative

Differentiate a quadratic polynomial and evaluate its derivative at one chosen x-value.

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Math and Statistics

Quadratic Definite Integral

Calculate the exact definite integral of a quadratic polynomial between two finite bounds.

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Math and Statistics

Quadratic Coefficient Solver

Solve real or complex roots for equations in the form ax² + bx + c = 0, including the linear fallback when a is zero.

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Math and Statistics

Sample Size Calculator

Estimate a survey sample size from confidence, margin of error, expected proportion and optional finite population.

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Math and Statistics

Linear Regression Calculator

Fit a simple linear regression to paired numeric data and inspect slope, intercept, correlation and a local plot.

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How this collection is organised

Tools share tested engines where the underlying method is the same. Universal methods remain globally useful; jurisdiction-specific tools say clearly when South African rules apply.

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