using System;

public class Program

{

    public static void Main()

    {

    }

}

​

/* More sophisticated calculator 

Ask the user for their 1st name 

ask the user to enter two numbers 

then ask the user to select what operation they would like for you to do (+ - / X) [add, subtract, divide or multiply] 

then do the operation indicated. 

providing feedback for the user with the answer. 

do this 5 times (going back to the start and asking the user for a new set of numbers and a new operation to be solved). 

clearing the screen in between each new operation. 

*/ 

namespace advancecalculator 

{ 

class Program 

{ 

static void Main(string[] args) 

{ 

string firstName; // first name is a variable to store first name 

int number1; 

int number2; 

string select; 

int add; 

int subtract; 

int multiply; 

int answer; 

int remainder; 

float n1; 

float n2; 

float answer1; 

Console.WriteLine(" Please input your first name: "); 

firstName = Console.ReadLine(); 

for (int i = 1; i <= 5; i++) 

{ 

Console.Clear(); 

Console.WriteLine(" I am in the " + i + " part of the loop"); 

Console.WriteLine(firstName + " please enter a number: "); //puts information to screen

number1 = int.Parse(Console.ReadLine()); //getting the number from the user Console.WriteLine(firstName + " please enter a second number: "); //puts information to screen 

number2 = int.Parse(Console.ReadLine()); //getting the number from the user 

Console.WriteLine(firstName + " please enter an operation for me to do ( add, subtract, divide, multiply) "); 

select = Console.ReadLine(); 

switch (select.ToLower()) 

{ 

case "add": 

add = number1 + number2; 

Console.WriteLine(firstName + " the sum of " + number1 + " and " + number2 + " is equal to " + add); 

Console.ReadLine(); 

break; 

case "subtract": 

subtract = number1 - number2; 

Console.WriteLine(firstName + " the subtraction of " + number1 + " minus " + number2 + " is equal to " + subtract); 

Console.ReadLine(); 

break; 

case "multiply": 

multiply = number1 * number2; 

Console.WriteLine(firstName + " the product of " + number1 + " and " + number2 + " is equal to " + multiply); 

Console.ReadLine(); 

break; 

case "divide": 

answer = number1 / number2; 

remainder = number1 % number2; //is the remainder 

n1 = number1; 

n2 = number2; 

answer1 = n1 / n2; 

Console.WriteLine(number1 + " / " + number2 + "=" + answer1); 

Console.WriteLine(" Your answer is : " + answer + " and your remainder is : " + remainder + " !!!! ");

Console.ReadLine(); 

break; 

default: 

Console.WriteLine("I didn't understand you word!"); i = i - 1; 

Console.ReadLine(); 

break; 

} 

} 

Console.ReadLine(); 

} 

} 

}

​