Function Names
sqrtDescription
Calculates the square root of a value
Call as: function
Restrictions
Indirect parameter passing is disabled
Parameter count
1
Parameters
| No. | Type | Description |
|---|---|---|
| 1 input |
numeral | Value Value to use for logarithmic calculation |
Return value
| Type | Description |
|---|---|
| numeral | Result Calculated square root value |
Exceptions
Negative square root
Examples
echo( sqrt( 4 ) );
echo( sqrt( 2 ) );Output
2
1.4142135624
See also
Power Functions