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Scientific Calculator

Scientific Calculator

A scientific calculator with trig, logs, powers and roots, by tap or keyboard.

Everything is worked out in your browser; nothing is sent anywhere or saved.

How to use

Tap the keys or type on your keyboard.
Switch DEG or RAD for trig functions.
Read the live answer, then press = or Enter.

About Scientific Calculator

Scientific Calculator follows the usual order of operations: brackets, powers, then × and ÷, then + and −. It supports sin, cos, tan, log, ln, square roots, powers, percent, π and e, and multiplies implicitly, so 2π means 2 × π. Everything is worked out in your browser as you type; nothing is sent anywhere or saved.

FAQs

What does % do?

It divides the number before it by 100, so 50% is 0.5.

Is log base 10?

Yes. log is base 10 and ln is the natural log.

Why do I see an error?

Check for a missing number, an unbalanced bracket or a division by zero.

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