VB.net 7-pp2: ISBN Validator Using VB.net Strings Operations, Arrays, Loops
Introduction to Programming using Visual Basic
VB.net Programming Challenge 7-pp2: ISBN Validator Using VB.net Strings Operations, Arrays, and Loops
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'Write a program that accepts an ISBN type number (including hyphens) as input.
'Calculate the sum, and tell if it is a valid ISBN
Note, the number is valid if it is divisable by 11.
Note, all numbers are added together as follows:
10*d1 + 9*d2 + 8 *d3....1*d10
last number can be a digit, or a letter 'X'. If 'X', than it represents digit 10
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