expm1 --
Returns exp(number) - 1, computed in a way that is accurate even
when the value of number is close to zero
Syntax
float expm1 ( float number )
Warning
This function is
EXPERIMENTAL. The behaviour of this function, the
name of this function, and anything else documented about this
function may change without notice in a future release of PHP.
Use this function at your own risk.
expm1() returns the equivalent to
'exp(number) - 1' computed in a way that is
accurate even if the value of number is near zero,
a case where 'exp (number) - 1' would be
inaccurate due to subtraction of two numbers that are nearly equal.
Note: This function is not
implemented on Windows platforms.
expm1 php code on this is provided for your study purpose, it will guide you to know how create and design a website using php. use it to practice and train your self online
Php expm1 syntax tutorial
php tutorial guide and code design are for easy learning and programming. The code practice section provided at the top is for practising of this syntax. Use the code section up to practice your php programming online. Learning php is very easy, all you need is to use the examples on this site and practice them to perfect your skills.