Check ____ is another method that is used to ____ errors. In this method, an ____ digit is included at the end of a string or numbers. This bit is calculated using a standard ____ and is called check digit. In ____, this check digit is calculated using the following steps. Starting from the left side of the number, ____ each digit alternatively by 3 and 1. Find the sum of the values ____ from step a. Let us name it “x”. Round the number x to the next ____ 10. Let us name this “y”. ____ x from y to find the check digit. Include the digit obtained in step c to the right-most side of the number in the ____. This number is called EAN 8. EAN is the ____ Article Numbers and is used for finding the check digit for various products.

Check Digits

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