Zero? - Function Summary
Summary:
Returns TRUE if the number is zero.
Usage:
zero? number
Arguments:
number - The number argument. (must be: number pair char money time tuple)
Description:
Check the value of a word is zero.
print zero? 50
false
print zero? 0
true
Related:
negative? - Returns TRUE if the number is negative. positive? - Returns TRUE if the value is positive.