Simple Calculator v1.0, C (gcc)

Language: Layout:

//gcc 5.4.0

#include  <stdio.h>

int main(void)
{
 double a;
 double b;
 int op;
 double c;
 
    
    
    
    
    
    
    
    
    printf("Please input 2 values and select an operation\n1.Addition\n2.Subtraction\n3.Multiplication\n4.Division\n-------------------------------------------------------------\nExample Input:\n2\n2\n1\n2+2=4\n----------------------------------------------------------------------------\nYour Input and Equation:\n%lf\n%lf\n%lf\n",a,b,op);
 scanf("%lf%lf%d",&a,&b,&op);   
    switch(op){
          case 1:
               c=a+b;
               printf("%lf+%lf=%lf",a,b,c);
               break;
          case 2:
               c=a-b;
               printf("%lf-%lf=%lf",a,b,c);
               break;
          case 3:
               c=a*b;
               printf("%lf*%lf=%lf",a,b,c);
               break;
          case 4:
               c=a/b;
               printf("%lf/%lf=%lf",a,b,c);
               break;
          default:
               printf("Operatoration not Found");
               break;
              }
         
 
}

Show compiler warnings [ + ] Compiler args [ - ] Show input
Compilation time: 0.12 sec, absolute running time: 0.14 sec, cpu time: 0 sec, memory peak: 3 Mb, absolute service time: 0,35 sec