1 DIM A$(1)
2 DIM B$(1)

4 PRINT ""
5 PRINT ""

9 TAB 11: PRINT " THE MATH TEST"
20 TAB 11: PRINT " CREATED BY"
30 TAB 11: PRINT " PAOLO DI LEO"
40 TAB 11: PRINT "FOR THE APPLE I"
45 PRINT ""
60 PRINT ""
70 TAB 11: PRINT "1 - ADDITION"
80 TAB 11: PRINT "2 - SUBTRACTION"
101 TAB 11: PRINT "3 - EXIT"
102 PRINT ""

103 TAB 11: INPUT "INPUT YOUR CHOICE",N
120 IF N=1 THEN GOTO 160
130 IF N=2 THEN GOTO 450
151 IF N=3 THEN PRINT "BYE BYE" : END
152 IF N#1 THEN GOTO 103
153 IF N#2 THEN GOTO 103
154 IF N#3 THEN GOTO 103

160 TAB 11: PRINT "THE ADDITION TEST": PRINT ""
170 A= RND (100)
180 B= RND (100)
190 C=A+B
200 IF B>A THEN GOTO 310
210 TAB 11: PRINT A;"+"
220 TAB 11: PRINT B
230 TAB 11: PRINT "---"
240 TAB 11: PRINT ""
250 TAB 11: INPUT "WHAT'S THE RESULT ",R
260 IF R#C THEN GOSUB 305
270 TAB 11: PRINT "PERFECT !"
280 TAB 11: INPUT "ANOTHER TRY (Y/N) ",A$
290 IF A$="Y" THEN GOTO 160
300 GOTO 70

305 TAB 11: INPUT "WRONG, TRY AGAIN (Y/N) ",B$: PRINT ""
306 IF B$="Y" THEN GOTO 210
307 TAB 11: PRINT "THE RESULT IS ";C;
308 GOTO 4
309 RETURN

310 TAB 11: PRINT B;"+"
320 TAB 11: PRINT A
330 TAB 11: PRINT "---"
340 TAB 11: PRINT ""
350 TAB 11: INPUT "WHAT'S THE RESULT ",R
360 IF R#C THEN GOSUB 405
370 TAB 11: PRINT "PERFECT !"
380 TAB 11: INPUT "ANOTHER TRY (Y/N) ",A$
390 IF A$="Y" THEN GOTO 160
400 GOTO 70

405 TAB 11: INPUT "WRONG, TRY AGAIN (Y/N) ",B$: PRINT ""
406 IF B$="Y" THEN GOTO 210
407 TAB 11: PRINT "THE RESULT IS " ;C;
408 GOTO 4
409 RETURN

450 TAB 11: PRINT "THE SUBTRACTION TEST"
451 PRINT ""
460 A= RND (100)
480 B= RND (100)
490 C=A-B
491 K=B-A
500 IF B>A THEN GOTO 710
510 TAB 11: PRINT A;"-"
520 TAB 11: PRINT B
530 TAB 11: PRINT "---"
540 TAB 11: PRINT ""
550 TAB 11: INPUT "WHAT'S THE RESULT ",R
560 IF R#C THEN GOSUB 605
570 TAB 11: PRINT "PERFECT !"
580 TAB 11: INPUT "ANOTHER TRY (Y/N) ",A$
590 IF A$="Y" THEN GOTO 450
600 GOTO 70

605 TAB 11: PRINT "WRONG, TRY AGAIN (Y/N) ", B$: PRINT ""
606 IF B$ = "Y" THEN GOTO 510
607 TAB 11: PRINT "THE RESULT IS ";C;
608 GOTO 4
609 RETURN

710 TAB 11: PRINT B;"-"
720 TAB 11: PRINT A
730 TAB 11: PRINT "---"
740 PRINT ""
750 TAB 11: INPUT "WHAT'S THE RESULT ",R
760 IF R#K THEN GOSUB 805
770 TAB 11: PRINT "PERFECT !"
780 TAB 11: INPUT "ANOTHER TRY (Y/N) ",A$
790 IF A$="Y" THEN GOTO 450
800 GOTO 70

805 TAB 11: PRINT "WRONG, TRY AGAIN (Y/N) ", B$: PRINT ""
806 IF B$ = "Y" THEN GOTO 710
807 TAB 11: PRINT "THE RESULT IS ";C;
808 GOTO 4
809 RETURN

