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MathUpdated · Aug 2026
Exponent Calculator
Calculate powers with positive, zero, negative, and fractional exponents, including readable notation.
Start with your numbers
Exponent Calculator
Change the inputs that matter to your decision. Optional assumptions stay collapsed until you need them.
Expression
Use positive, zero, negative, or fractional powers; real-number results are shown.
Exponent answer
2^8
256
2 raised to the power 8 equals 256.
Scientific256
Calculate 2^8.
Result = 256
Large results include scientific notation so the value remains readable.
/ 01 · FAQ
Frequently asked questions
Practical notes about the inputs, assumptions, and result.
A negative exponent means take the reciprocal of the positive power: a⁻ⁿ = 1/aⁿ.
/ 02 · RELATED
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