Code:
#include stdio.h
void main()
{
char operator;
float num1, num2, result;
printf("Simulation of a Simple Calculator\n");
printf("*********************************\n");
printf("Enter two numbers \n");
scanf("%f %f", &num1, &num2);
fflush(stdin);
printf("Enter the operator [+,-,*,/] \n");
scanf("%s", &operator);
switch(operator)
{
case '+': result = num1 + num2;
break;
case '-': result = num1 - num2;
break;
case '*': result = num1 * num2;
break;
case '/': result = num1 / num2;
break;
default : printf("Error in operationn");
break;
}
printf("\n %5.2f %c %5.2f = %5.2f\n", num1, operator, num2, result);
}
Output:
Simulation of a Simple Calculator
*********************************
Enter two numbers
2 3
Enter the operator [+,-,*,/]
+
2.00 + 3.00 = 5.00
$ a.out
Simulation of a Simple Calculator
*********************************
Enter two numbers
50 40
Enter the operator [+,-,*,/]
*
50.00 * 40.00 = 2000.00
$ a.out
Simulation of a Simple Calculator
*********************************
Enter two numbers
500 17
Enter the operator [+,-,*,/]
/
500.00 / 17.00 = 29.41
$ a.out
Simulation of a Simple Calculator
*********************************
Enter two numbers
65000 4700
Enter the operator [+,-,*,/]
-
65000.00 - 4700.00 = 60300.00
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