Free online math tools

Scientific calculator built for real calculations.

Calculate fractions, powers, roots, trigonometry, logarithms, percentages, and scientific notation directly in your browser. No account and no server-side calculation required.

M 0

Paste with Ctrl+V · Fractions/division: x/y

Keyboard supportedMath engine: math.js

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Why use this scientific calculator?

The calculator is designed for quick browser-based work while still supporting the notation used in science, engineering, school mathematics, and everyday calculations. Expressions can be typed or pasted, including fractions such as 3/8 and scientific notation such as 6.022e23.

Calculations run locally in the browser. Your expressions do not need to be sent to a calculation server, which keeps the basic tool fast and private.

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