calculator program in C programming

calculator program in C programming

printf("\t\t\t\t===================\n");
printf("\t\t\t\t======Calculator======\n");
printf("\t\t\t\t===================\n");
printf("\t\t\t\tPress + for Addtion\n");
printf("\t\t\t\tPress - for Substance\n");
printf("\t\t\t\tPress * for Multiply\n");
printf("\t\t\t\tPress / for Division\n");
printf("\t\t\t\tPress ! for Factorial\n");
printf("\t\t\t\tPress $ for Square\n");
printf("\t\t\t\tPress @ for Cube\n");
printf("Enter what operation you want to be performed : \t");
scanf("%c",&ch); switch(ch)