A full scientific calculator: sin, cos, tan and their inverses, logs, powers, roots, factorials, combinations and constants, with typed input and history.
loading toolHow to use the scientific calculator
- Tap the keys or type with your keyboard.
- Press = or Enter for the answer; it is added to your history.
- Tap an old answer in the history to use it again.
Questions
Degrees or radians?
Tap DEG/RAD to switch. It starts in degrees, so sin(30) = 0.5.
Can I type the whole sum?
Yes: type 2sin(45)^2 + log(100) and press Enter. Brackets you forget are closed for you.
Is my data private?
Yes. Everything happens inside your own browser: nothing you type or choose is uploaded to us or anyone else.
Is it free?
Completely free, with no sign-up, no watermark and no limit on how many times you use it. Light ads keep the site running.
