Full scientific calculator with trig, log, powers, and constants — free, works in any browser.
Click number and operator buttons to build your expression. Use function buttons (sin, cos, log, √) for scientific operations.
Switch between Degrees and Radians mode for trigonometric functions using the DEG/RAD toggle at the top.
Press the equals button to calculate. The expression history is shown above the result.
sin, cos, tan, log (base 10), ln (natural log), square root (√), power (xʸ), x², absolute value (|x|), factorial (n!), and constants π and e.
DEG (degrees) and RAD (radians) are two ways to measure angles. Most everyday calculations use degrees. Radians are used in mathematics and physics. Switch modes before using sin, cos, or tan.
Yes. The calculator is fully responsive and works on phones, tablets, and desktops in any modern browser.