functions Square Root & Exponent Calculator

Calculate square roots and powers.

Two calculators in one. Free, no signup.

Frequently Asked Questions

Can I calculate a square root of a negative number?expand_more

No, this tool works with real numbers only. The square root of a negative number is not a real number.

Can the exponent be negative or a decimal?expand_more

Yes. A negative exponent gives a fraction (e.g. 2^-2 = 0.25), and a decimal exponent works too (e.g. 4^0.5 is the same as the square root of 4).