Calculators

Scientific calculator

Trigonometry, logarithms, degrees and radians

Expression

Angle unit

History

Calculations you run appear here

Functions and constants

abs · acos · asin · atan · cbrt · ceil · cos · cosh · deg · exp · fact · floor · ln · log · log10 · log2 · logb · max · min · mod · pow · rad · round · sign · sin · sinh · sqrt · tan · tanh · trunc

e · phi · pi · tau

How to use / Notes

How to use

Choose the angle mode (degrees or radians).
Build the expression with trig, log and power functions.
Press Enter to evaluate.

Notes

The wrong angle mode changes trigonometric results.
Out-of-domain inputs (e.g. square root of a negative) yield NaN.