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Scientific calculator

An online scientific calculator supporting trig functions, logarithms, square roots, factorials, π, and parentheses. Free.

Scientific calculator

Supports trigonometry (sin, cos, tan), logarithms (log, ln), powers and roots, factorial (!), π and e, and parentheses.
Trig angle unit can be switched between Deg and Rad at the top right. Default is Deg.
All calculations run in your browser and nothing is sent anywhere.

What is Scientific Calculator?

A calculator that supports engineering and math operations such as trigonometric functions, logarithms, exponents, square roots, and pi. Use it for complex calculations beyond basic arithmetic.

How it works

1 Enter an expression or compute with the buttons.
2 Apply functions such as sin, cos, log, and √ to check the result.

Frequently Asked Questions

Does it do trigonometric functions? ⌄

Yes. It supports sin, cos, tan, plus logarithms, exponents, square roots, and more.

Are angles in degrees or radians? ⌄

You can select the mode in the calculator.

Scientific calculator