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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
  1. Click the buttons to build an expression, or type directly into the expression field.
  2. Toggle DEG/RAD to switch between degree and radian modes for trigonometric functions.
  3. Press = or Enter to evaluate the expression.
  4. 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.