Scientific Calculator
Full scientific calculator with trig, log, history, and keyboard support.
About the calculator
A scientific calculator that evaluates whole expressions — type or click sin, cos, tan, square root, logarithms, powers and parentheses, and see the result with a running history. It also accepts your physical keyboard, so you can compute as fast as you type.
Everything is evaluated locally in your browser.
Evaluate full expressions with operator precedence and parentheses.
sin, cos, tan, sqrt, log, ln, powers, π and e.
Type digits and operators; Enter calculates, Backspace deletes.
Recent calculations are kept so you can refer back.
Frequently asked questions
What functions are supported?
Basic arithmetic plus sin, cos, tan, sqrt, log (base 10), ln (natural log), powers (^), absolute value, and the constants π and e.
Are angles in degrees or radians?
Trigonometric functions use radians, matching standard math libraries. Multiply degrees by π/180 to convert.
Can I use my keyboard?
Yes. Number and operator keys type into the display, Enter (or =) calculates, Backspace deletes, and Escape clears.
Is anything sent to a server?
No. All calculations happen in your browser.