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We could always rewrite the program like this:
10 N=1
20 PRINT “N IS”;N
30 N=N+1
40 IF N > 10 THEN END
50 GOTO 20
We can also count by 2’s. Let’s bring back the previous program and change line 10.
The entire program looks like this:
NEW
10 FOR N=1 TO 10 STEP 2 press ENTER
20 PRINT “N IS”;N press ENTER
30 NEXT N press ENTER
The STEP 2 part changes the meaning hidden in the NEXT N statement to be N = N
+ 2 or any other number that gets put in the STEP part.
We can even count backwards.
Try this:
NEW
10 FOR N=10 TO 1 STEP -1
20 PRINT N
30 NEXT N
40 PRINT “BLAST OFF”
RUN