Exponent Power Calculator
Raise numbers to powers, compute roots, and evaluate scientific notation exponents with instant results.
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Powers, roots, and scientific notation
Raise a base to an exponent, compute nth roots, or expand compact scientific notation into ordinary decimals. Results update as you type for quick homework checks and engineering estimates.
Related: Expression Calculator, Decimal to Scientific Notation Converter.
Frequently Asked Questions
Can I use negative exponents?
Yes. Negative exponents compute reciprocals, for example $2^{-3} = 1/8$.
Why does an even root of a negative number fail?
Even roots of negative values are not real numbers, so the tool reports an error instead of a complex result.
What scientific formats are accepted?
Use mantissa and exponent forms such as 1.23e-4, 6.02E23, or plain decimals without an exponent.
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