Scientific calculator
A full scientific calculator: sin, cos and tan with their inverses and hyperbolic forms, logs, powers and roots, factorials, nCr and nPr, and memory keys.
History
Press = or Enter to keep an answer here. Click one to use it again.
Good to know
200 + 10% adds 10% of 200 (220). 12% of 250 works too. Angles are in degrees unless you pick radians.
Also: sqrt, cbrt, sin, cos, tan, log, ln, abs, 5! and ans (the last answer). Enter keeps the answer, Esc clears.
Scientific adds inverse and hyperbolic trig (press 2nd), powers of 10 and e, nCr and nPr, any root (27 root 3 = 3), 2E3 for 2 × 10³, and memory: M+ and M− add the answer on screen to the memory, MR puts it back in the sum.
- 1Type a sum or tap the keys.
- 2See the answer as you type.
- 3Click a past answer to use it again.
- Good to know
- Press 2nd for the inverse functions; Degrees or Radians sets how angles are read.
- Are my numbers private?
- Yes. Every calculation runs in your browser, and what you type stays on your device.
- Does it work offline?
- Yes. Once this page has loaded, it keeps working without an internet connection.
Something not working, or a tool you'd like? Report a problem · Suggest a tool · Open source on GitHub
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