the
abs
of
factor
abs
(
expression )
Factor and expression yield integer
s, number
s, or complex
es.
put abs(a-b) into theDifference
The abs
function returns the absolute value of its argument.
If the argument is an integer
, an integer
is returned.
If the argument is a number
, a number
is returned.
If the argument is a complex
, a complex
is returned. The returned complex
will have a real part of the distance of the passed in complex
from the origin, and an imaginary part of zero.
This function is similar to the hypot
and radius
functions, but takes one numeric argument rather than a list.