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✦ Free Online Tool
FREE SCIENTIFIC CALCULATOR
Free online scientific calculator with trigonometry, logarithms, powers and more. Works on all devices, no signup.
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Scientific Calculator Functions
- sin, cos, tan — trigonometric functions (degrees)
- log — natural logarithm (base e)
- log2 — logarithm base 2
- √ — square root
- x^y — power/exponent
- π — Pi (3.14159...)
- e — Euler's number (2.71828...)
Frequently Asked Questions
Does it support trigonometry?+
Yes. sin, cos, tan use degrees. log computes natural log.
Can I use keyboard?+
Yes. Type numbers, operators, Enter to calculate, Backspace to delete, Escape to clear.
What is x^y?+
Raises x to the power of y. Type 2, click x^y, type 8 then = to get 2^8 = 256.
Is it free?+
Yes, 100% free, no signup.