Exponent Calculator

Compute a^b for any real base and exponent, including negative and fractional powers.

All math runs in your browser — nothing is uploadedReviewed & updated: Methodology
2 ^ 10
1024
Scientific notation1.0240e+3
Order of magnitude10^3.01

How it works

a^b = exp(b · ln a) for a > 0. Negative bases require integer exponents.

Example

2^10 = 1024. 8^(1/3) = 2. 5^-2 = 0.04.

Frequently asked questions

What is a fractional exponent?
a^(1/n) is the nth root of a.
Why can't I do (−2)^0.5?
The square root of a negative number isn't real.
What is 0^0?
Conventionally 1 in most contexts, though undefined analytically.
Order of operations?
Exponents bind tighter than × or ÷.

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