Full-featured scientific calculator — sin, cos, tan, log, √, π, e, powers and more.
This is a fully-featured browser-based scientific calculator supporting trigonometric functions (sin, cos, tan and their inverses), logarithms (log₁₀ and ln), square root, cube root, arbitrary powers, absolute value, factorial, modulo, and the constants π and e. All computations run in JavaScript with double-precision floating point.
The calculator includes a calculation history you can tap to recall previous results, and a Degrees/Radians toggle for trigonometric functions. It also supports keyboard input for fast computation.