Examples
=GESTEP(-4, -5) returns 1 (TRUE), because -4 is greater than -5.
=GESTEP(4, 5) returns 0 (FALSE), because 4 is less than 5.
=GESTEP(5, 4) returns 1 (TRUE), because 5 is greater than 4.
=GESTEP(20, 20) returns 1 (TRUE), because 20 is exactly equal to 20.