@ -90,12 +90,15 @@ int main() {
case 'C':
case 'c':
do {
printf("which operation would you like to have?(+ for addition, - for subtraction,* for multiplication and r for return :");
scanf(" %c", &auswahl2);
} while (auswahl2 != 'R' && auswahl2 != 'r');
break;
case 'Q':