isub - luxembourg/muxcode-clm GitHub Wiki
ISUB()
FUNCTION: isub(<number1>,<number2>)
Returns the result of subtracting integer <number2> from integer
<number1>. Similar to sub() except that the subtraction is done with
faster integer math.
Example:
> say isub(5,2)
You say, "3"
Related Topics: add, dec, iadd, idiv, imul, inc, mod,
sub().