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How do you use veto?

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Anonymous

13y ago
Updated: 8/20/2019

num$=""

error=FALSE

PRINT " Enter ISBN number"

INPUT num$

IF LEN (num$)<>10 THEN error=TRUE

FOR pos%=1 TO 10

character$=MID$(num$, pos%,1)

IF ASC(character$)<48 OR ASC(character$)>57 THEN error=TRUE

NEXT

IF error= FALSE THEN

multiplier%=11

FOR pos%=1 TO 10

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Wiki User

13y ago

What else can I help you with?