Reference for Wiring version 0024+. If you have a previous version, use the reference included with your software. If you see any errors or have any comments, let us know.
| Name | sqrt() |
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| Examples | float a = sqrt(6561); // Sets a to 81 float b = sqrt(625); // Sets b to 25 float c = sqrt(1); // Sets c to 1 |
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| Description | Calculates the square root of a number. The square root of a number is always positive, even though there may be a valid negative root. The square root s of number a is such that s*s = a. It is the opposite of squaring. | ||
| Syntax | sqrt(value) |
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| Parameters |
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| Returns | float | ||
| Usage | Application | ||
| Related | pow() sq() |
