Scientific Calculator

Free online scientific calculator with trigonometry, logarithms, powers, and roots.

Free to useNo software to install — works in any modern browser.

No signup neededOpen the tool and start straight away.

Runs in your browserNothing you enter is sent to a server.

Works on mobileSame tool on your phone, tablet or desktop.

How it works

Enter — type or paste your values or text.
Get the result — it is worked out in your browser.
Adjust — change the inputs to compare, or copy the result.

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About Scientific Calculator

A full scientific calculator right in the browser — trigonometric functions, natural and base-10 logarithms, powers, square roots, and constants like π and e — no app download needed.