IF FNisodd%(14) PRINT "14 is odd" ELSE PRINT "14 is even" IF FNisodd%(15) PRINT "15 is odd" ELSE PRINT "15 is even" IF FNisodd#(9876543210#) PRINT "9876543210 is odd" ELSE PRINT "9876543210 is even" IF FNisodd#(9876543211#) PRINT "9876543211 is odd" ELSE PRINT "9876543211 is even" END REM Works for -2^31 <= n% < 2^31 DEF FNisodd%(n%) = (n% AND 1) <> 0 REM Works for -2^53 <= n# <= 2^53 DEF FNisodd#(n#) = n# <> 2 * INT(n# / 2)