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Strike the last post, i reread what you posted and corrected my issues

thank you so much

printf ("\n\tPlease select your location to recieve your taxable total.\n");
Printf ("\n 1\tDel Mar\n");
Printf (" 2\tEncinitas\n");
Printf (" 3\tLa Jolla\n");
printf("\n Please select your...

I am trying to figure out how to add isdigit to my code to verify that the information entered is in numerical form. I have tried and tried but just cant get it.

this is what i have so far:


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