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10 REM SUM.BAS 
11 'Copyright (C)1982 Steven Whitney.
12 'Published under GNU GPL (General Public License) Version 2, with ABSOLUTELY NO WARRANTY.
18 'TRIVIAL BUT USEFUL PROGRAM THAT ALLOWS QUICKLY SUMMING A COLUMN OF NUMBERS
20 'USING THE NUMERIC KEYPAD, BY INTERPRETING THE KEYPAD ENTER KEY AS A + SIGN.
30 'IF YOU ENTER 0 OR A BLANK LINE, IT PRINTS THE TOTAL AND STARTS FRESH.
40 'SO IF THE NUMBER ACTUALLY IS 0, DON'T ENTER IT!
50 DIM A(300)
60 INPUT A(I)
70 B=B+A(I)
80 PRINT,B
90 I=I+1
100 IF A(I-1)<>0 THEN 60
110 PRINT STRING$(20,"="):CLEAR:GOTO 50
120 END

 

 

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Copyright ©2007 Steven Whitney. Last modified 09/25/2007.