Exercise
Calculator - If
Objetive
Write a C# program that asks the user for two numbers and an operation to perform on them (+,-,*,x,/) and displays the result of that operation, as in this example:
Enter the first number: 5
Enter operation: +
Enter the second number: 7
5+7=12
Note: You MUST use "if", not "switch"
Example Code
using System;
public class exercise53
{
public static void Main()
{
int a, b;
char operation;
Console.Write("Enter first number: ");
a = Convert.ToInt32(Console.ReadLine());
Console.Write("Enter operation: ");
operation = Convert.ToChar(Console.ReadLine());
Console.Write("Enter second number: ");
b = Convert.ToInt32(Console.ReadLine());
if (operation == '+')
Console.WriteLine("{0} + {1} = {2}", a, b, a + b);
else if (operation == '-')
Console.WriteLine("{0} - {1} = {2}", a, b, a - b);
else if ((operation == 'x') || (operation == '*'))
Console.WriteLine("{0} * {1} = {2}", a, b, a * b);
else if (operation == '/')
Console.WriteLine("{0} / {1} = {2}", a, b, a / b);
else
Console.WriteLine("Wrong Character");
}
}