Argox PA-20 Basic Programming Manual - Manual (Page 18)

PT-Basic Programming Manual Ver. 1.00 17/143
SGN
Purpose： To return an indication of the mathematical sign (+ or -) of a
given numeric expression.
Syntax： A% = SGN(N%) or A% = SGN(N!)
Example： A% = SGN(9.86)
PRINT A%
B% = SGN(-5.68)
PRINT B%
B% = SGN(0)
PRINT B%
Description： N% or N! is a numeric expression,it can be an integer or a
real number.
A% is an integer variable to be assigned to the result.
A% Meaning
1 N% >0
0 N% =0
-1 N% <0