#include <stdio.h>

​

#include <math.h>

​

int main()

​

{

    char Operator;

​

    float num1, num2, result = 0;

    printf("\n Please Enter an Operator (+, -, *, /, ^ , $ , P )  :  ");

    printf("\n + = addition\n - = subtraction\n * = multiplication\n / = divide\n ^ = power \n P = percentage \n $ = square root\n");

    scanf("%c", &Operator);

    switch(Operator)

    {

        case '+':

                printf("\n Please Enter the Values for two Operands: num1 and num2  :  ");

                scanf("%f%f", &num1, &num2);

                result = num1 + num2;

                printf("\n The result of %.2f %c %.2f  = %.2f", num1, Operator, num2, result);

                break;

        case '-':

                printf("\n Please Enter the Values for two Operands: num1 and num2  :  ");

                scanf("%f%f", &num1, &num2);

                result = num1 - num2;

                printf("\n The result of %.2f %c %.2f  = %.2f", num1, Operator, num2, result);  

                break;              

        case '*':

                printf("\n Please Enter the Values for two Operands: num1 and num2  :  ");

                scanf("%f%f", &num1, &num2);

                result = num1 * num2;

                printf("\n The result of %.2f %c %.2f  = %.2f", num1, Operator, num2, result);  

                break;

        case '/':

                printf("\n Please Enter the Values for two Operands: num1 and num2  :  ");

                scanf("%f%f", &num1, &num2);

                result = num1 / num2;

                printf("\n The result of %.2f %c %.2f  = %.2f", num1, Operator, num2, result);  

                break;

        case '^':

                printf("\n Please Enter the Values for two Operands: num1 and num2  :  ");

                scanf("%f%f", &num1, &num2);

                result = pow ( num1, num2);

                printf("\n The result of %.2f %c %.2f  = %.2f", num1, Operator, num2, result);  

                break;  

        case 'P':

                printf("\n Please Enter the Values for two Operands: num1 and num2  :  ");

                scanf("%f%f", &num1, &num2);

                result = (num1 * num2) / 100;   

                printf("\n The result of %.2f %c %.2f  = %.2f", num1, Operator, num2, result);  

                break;

        case '$':       

                printf("\n Please enter the value:");

                scanf("%f",&num1);

                result = sqrt(num1);

                printf("\n The sqrt of %.2f  = %.2f", num1,result);

                break;      

                default:

                printf("\n You have enetered an Invalid Operator ");                                

}

    return 0;

}