Scientific Calculator

A full scientific calculator with trigonometry, logarithms, powers and roots. Switch between degrees and radians.

About this scientific calculator

A scientific calculator handles much more than basic arithmetic — trigonometry, logarithms, exponents, roots and constants like π and e. This one runs right in your browser, works on mobile, and lets you switch between degree and radian modes for trig functions.

Frequently asked questions

How do I use trig functions?

Tap sin, cos or tan, enter the angle, then close the bracket. Use the DEG/RAD button to choose whether angles are in degrees or radians.

What do log and ln mean?

log is the base-10 logarithm and ln is the natural logarithm (base e).

How do I calculate powers and roots?

Use ^ for powers (e.g. 2^10) and the √ button for square roots.