decimal calculation

using System;  //from   ja v  a  2  s  .com
  
public class Main{     
  public static void Main() {     
    decimal price;  
    decimal discount; 
    decimal discounted_price;  
  
    // compute discounted price 
    price = 19.95m;  
    discount = 0.15m; // discount rate is 15% 
 
    discounted_price = price - ( price * discount);  
  
    Console.WriteLine("Discounted price: $" + discounted_price);  
  }     
}

class MainClass/*from   ja  v  a  2 s  . c om*/
{

  public static void Main()
  {
    
    System.Console.WriteLine("10m / 3m = " + 10m / 3m);
    decimal decimalValue1 = 10;
    decimal decimalValue2 = 3;
    System.Console.WriteLine( decimalValue1 / decimalValue2);
  }
}

using System; /*j  ava  2  s  .c om*/
   
class Example { 
  public static void Main() { 
    decimal amount;   
    decimal rate_of_return;  
    int years, i;   
   
    amount = 100000.0M; 
    rate_of_return = 0.17M; 
    years = 100; 
 
    Console.WriteLine("Original investment: $" + amount); 
    Console.WriteLine("Rate of return: " + rate_of_return); 
    Console.WriteLine("Over " + years + " years"); 
 
    for(i = 0; i < years; i++) {
      amount = amount + (amount * rate_of_return); 
    }
    Console.WriteLine("Future value is $" + amount);  
  } 
}