Scientific Calculator
Evaluate expressions with trigonometry, logarithms, powers, roots, factorials, and DEG/RAD modes.
How to use the tool
Enter the requested values and choose a mode or operation when needed. Fields start empty so results always reflect your own data.
Enter 2*(3+4), sqrt(81), or sin(30) in DEG mode.
Formula and method
The parser accepts only available numbers, operators, and functions; it never executes JavaScript.
sin, cos, tan · log, ln · √x · xʸ · n!
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