Put it in the same folder as GW-BASIC.EXE. Load it and run it.

10 REM Decimal to Base converter 20 CLEAR :CLS :KEY OFF 30 DIM DIGIT(15) 40 PRINT,"Convert a Decimal number to any base 2 through 16" :PRINT 50 INPUT "Enter a Decimal number less than 32768 ";DECIMAL 60 IF DECIMAL < 1 OR DECIMAL > 32768! THEN 50 70 PRINT 80 INPUT "Enter Base 2 through 16 ";BASE 90 IF BASE < 2 OR BASE > 16 THEN 80 100 LET TEMP = DECIMAL 110 N = 0 'count digits in answer 120 WHILE TEMP > 0 130 N = N+1 140 DIGIT(N) = TEMP MOD BASE 150 TEMP = INT(TEMP/BASE) 160 WEND 170 ' Show converted number 180 PRINT :PRINT,DECIMAL; "= "; 190 FOR K = N TO 1 STEP -1 200 IF BASE <= 10 THEN PRINT RIGHT$(STR$(DIGIT(K)),1); 210 IF BASE > 10 THEN IF DIGIT(K) <= 9 THEN PRINT RIGHT$(STR$(DIGIT(K)),1); ELSE GOSUB 260 220 NEXT K 230 PRINT " to base";BASE 240 END 250 ' 260 'Base 11 through 16 subroutine 270 IF DIGIT(K) = 10 THEN PRINT "A"; 280 IF DIGIT(K) = 11 THEN PRINT "B"; 290 IF DIGIT(K) = 12 THEN PRINT "C"; 300 IF DIGIT(K) = 13 THEN PRINT "D"; 310 IF DIGIT(K) = 14 THEN PRINT "E"; 320 IF DIGIT(K) = 15 THEN PRINT "F"; 330 RETURN |