C Math sqrt() Function
Example
Return the square root of different numbers:
printf("%f", sqrt(0));
printf("%f", sqrt(1));
printf("%f", sqrt(9));
printf("%f", sqrt(0.64));
printf("%f", sqrt(-25));
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Definition and Usage
The sqrt()
function returns the square root of a number.
The sqrt()
function is defined in the <math.h>
header file.
Syntax
One of the following:
sqrt(double number);
Parameter Values
Parameter | Description |
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number | Required. Specifies a number. |
Technical Details
Returns: | A double value representing the square root of a number. |
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