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Scientific Calculator Online — Free Trig, Log, Exponent

A full scientific calculator in your browser. sin, cos, tan, log, ln, sqrt, factorial — everything you need for STEM work.

DEG · DEC
0

100 keys · keyboard supported · 0 in history · M = 0

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About this tool

Built for actual STEM use

Standard four-function calculators won't cut it for engineering, physics or higher math. This one supports trig (degrees and radians), log/ln, square root, powers, factorial and parentheses — all the operators you used to need a TI-30 for.

How to use the Scientific Calculator

Takes about a minute. No signup, no download, your data stays in your browser.

  1. 1
    Open the tool. Scroll up to the Scientific Calculator above — it loads instantly in your browser, no install needed.
  2. 2
    Enter your values. The fields come pre-filled with realistic defaults so you can see how it works — replace them with your own numbers.
  3. 3
    Read the result. The output updates instantly. Copy or share it — nothing is uploaded to a server, everything stays on your device.

Frequently asked questions

Common questions about the Scientific Calculator.

Does it do calculus like derivatives and integrals?

Yes. Alongside trig, logs and powers it includes calculus keys for derivatives (d/dx), integrals (∫), summation (Σ) and limits (lim).

Can it work in hexadecimal or binary?

Yes. The programmer mode supports HEX, OCT and BIN along with bitwise operations, which is handy for low-level and programming work.

Do the trig functions use degrees or radians?

It provides standard, inverse and hyperbolic trig functions; check the angle-mode setting so you know whether you are working in degrees or radians before evaluating.

Does it keep a history of my calculations?

Yes, it has memory and a history feature so you can review and reuse earlier results instead of retyping them.

What statistics functions are built in?

It includes combinations (nCr), permutations (nPr), mean and other statistics keys, plus special functions like the gamma function (Γ) and the error function (erf).

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