Solved: Exercise 5. This software calculates the ISBN
Chapter 0, Problem 5CE(choose chapter or problem)
This software calculates the ISBN check digit. Use it to verify that 0395872456 is valid. Now enter the same number with one digit incorrect. Was the error detected? Enter the number with two digits transposed. Was the error detected?
Go to https://www.d.umn.edu/~jgallian/compsciProject2018/html/chap0/ch0ex5.html
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