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bcsqrt
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bcsqrt

Name

bcsqrt — Calculates square root.

Synopsis

string bcsqrt(left_operand[, scale]); string left_operand: Number to calculate from int scale (optional): Number of decimal places to return

Returns

Square root of left operand

Description

bcsqrt() calculates the square root of a given number and returns the result, formatted with a specified number of decimal places (optional).

Version

Existing since version 3.0

Example

Example 14. Calculate the square root of a large number

$num1 = "9912343.21";
echo bcsqrt($num1, 3);

Output:
3148.387

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