C Lang Create Table Programe

#include <stdio.h>
#include <stdlib.h>

/* run this program using the console pauser or add your own getch, system("pause") or input loop */

int main(int argc, char *argv[]) {
int choice,val1,val2,answer ;
char choic;

do{
printf("\t\tCalculator");
printf("\nPress 1 for addition");
printf("\nPress 2 for subtraction");
printf("\nPress 3 for multiplication");
printf("\nPress 4 for division");
printf("\nEnter a number of your choice\t");
scanf("%d",&choice);

if(choice == 1){
printf("Enter Value 1\t");
scanf("%d",&val1);
printf("Enter Value 2\t");
scanf("%d",&val2);
answer = val1 + val2;
printf("\n\t%d + %d = %d",val1,val2,answer);
printf("\nPress Y For Exit & N for another process\t");
scanf(" %c",&choic);
}
else if(choice == 2){
printf("Enter Value 1\t");
scanf("%d",&val1);
printf("Enter Value 2\t");
scanf("%d",&val2);
answer = val1 - val2;
printf("\n\t%d - %d = %d",val1,val2,answer);
printf("\nPress Y For Exit & N for another process\t");
scanf(" %c",&choic);

}
else if(choice == 3){
printf("Enter Value 1\t");
scanf("%d",&val1);
printf("Enter Value 2\t");
scanf("%d",&val2);
answer = val1 * val2;
printf("\n\t%d * %d = %d",val1,val2,answer);
printf("\nPress Y For Exit & N for another process\t");
scanf(" %c",&choic);

}
else if(choice == 4){
printf("Enter Value 1\t");
scanf("%d",&val1);
printf("Enter Value 2\t");
scanf("%d",&val2);
answer = val1 / val2;
printf("\n\t%d / %d = %d",val1,val2,answer);
printf("\nPress Y For Exit & N for another process\t");
scanf(" %c",&choic);

}
else{
printf("invalid input");
}
}
while(choic != 'y' && choic == 'n');
return 0;
}
 
Output