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Calculate square root

Find √x and check whether the result is exact.

Also known as: calculate square root calculator, square root calculator, calculate square root, powers & logs math, powers & logs calculate square root

Inputs

Results update when you click Calculate.

√x

7.071068

Irrational / decimal root

√50.0000 = 7.071068

  • Squared check50.000000
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What this result means

Find √x and check whether the result is exact. Principal square root: the non-negative number y such that y² = x.

Assumptions

  • Rule dependency: Universal formula.

How is it calculated?

Principal square root: the non-negative number y such that y² = x.

Example

√50 ≈ 7.071068.

Frequently asked questions

Negative inputs?+

This tool returns the real principal root for x ≥ 0.