PHP - Math exp() Function
The PHP Math exp() function returns e raised to the power of specified number (ex). Please note that e is the base of the natural system of logarithms, and its value is approximately 2.718282.
Syntax
exp(x)
Parameters
number |
Required. Specify the exponent of e. |
Return Value
Returns e raised to the power of specified number.
Example:
In the example below, exp() function is used to calculate e raised to the power of specified number.
<?php echo exp(2)."\n"; echo exp(-2)."\n"; echo exp(1.5)."\n"; echo exp(-1.5)."\n"; ?>
The output of the above code will be:
7.3890560989307 0.13533528323661 4.4816890703381 0.22313016014843
❮ PHP Math Functions
