Question 1

What is a power/exponent?

Accepted Answer

Repeated multiplication. 2⁴ = 2×2×2×2 = 16. Base is 2, exponent is 4. Any number to power 0 = 1.

Question 2

How do I multiply and divide powers?

Accepted Answer

Same base: add exponents to multiply (2³×2² = 2⁵), subtract to divide (2⁵÷2² = 2³).

Question 3

How accurate are these calculations?

Accepted Answer

Our calculator uses double-precision floating-point arithmetic, accurate to about 15-16 significant digits for most calculations.

Question 4

Can I use the result in further calculations?

Accepted Answer

Yes, results are calculated to full precision. You can copy the exact value or use the rounded display depending on your needs.

Power Calculator - Free Online Tool

Frequently Asked Questions