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Scientific Calculator
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▸About this tool
Full scientific calculator with trigonometric functions, logarithms, exponents, factorials, and calculation history.
▸Privacy and details
Your files never leave your device.
Fast browser processing with no account required.
Optimized for desktop and mobile with accessible controls.
▸How to use
- Click the buttons to build an expression, or type directly into the expression field.
- Toggle DEG/RAD to switch between degree and radian modes for trigonometric functions.
- Press = or Enter to evaluate the expression.
- Click any item in the history panel to restore that expression.
▸Why use this tool
A scientific calculator in your browser is always available when you need it: no app to install, no account required. Supports all standard scientific operations including trigonometry (sin, cos, tan and inverses), logarithms (log, ln), square roots, powers, and factorials, with calculation history.