Scientific Calculator
A full scientific calculator with trig, log and power functions.
Calculated locally in your browser.
Overview
A scientific calculator supporting standard arithmetic, trigonometric functions, logarithms, powers and roots.
How to use it
- 1Build an expression using the buttons or your keyboard.
- 2Press = to evaluate.
How it works
Expressions are evaluated by a small hand-written parser — not JavaScript's eval() — so it only ever computes arithmetic, never executes arbitrary code.
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