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Math calculators

A scientific calculator plus fractions, percentages and equations.

Open the tools 15 tools, all in your browser

This is the math drawer: a full scientific calculator for the general case, and dedicated tools for the specific jobs like fractions, percentages, ratios, averages, and solving an equation. Each shows the working, not just the answer.

They run in the browser with no account, so you get the result immediately and can trust it, since the steps are shown.

Which tool for which job

Scientific calculator
Handle trig, logs and powers in one calculator.
Fraction calculator
Add, subtract and simplify fractions with the steps shown.
Percentage calculator
Work out a percentage, a change, or what number a percentage came from.
Ratio calculator
Scale a ratio up or down, or solve for a missing part.
Equation solver
Solve a linear or quadratic equation and see how.

Questions about the math calculators

Does it show the steps?
For the fraction, percentage and equation tools, yes: they show the working so you can follow and check it, not just the final number.
Is it a graphing calculator?
It is a scientific calculator with dedicated helpers for common jobs. Graphing is not the focus here.
Is anything I type stored?
No. The calculations run in your browser and nothing is uploaded.
Free?
Yes, free and account-free, paid for by light advertising.

Math calculators live on /math

Free, no account, nothing uploaded.

Open the tools