/*  
   This program converts Fahrenheit to Celsius. 
 
   Call this program FtoC.cs. 
*/ 
 
using System; 
  
public class FtoC {  
  public static void Main() {  
    double f; // holds the temperature in Fahrenheit 
    double c; // holds the temparture in Celsius 
 
    f = 59.0; // start with 59 degrees Fahrenheit 
 
    c = 5.0 / 9.0 * (f - 32.0); // convert to Celsius 
 
    Console.Write(f + " degrees Fahrenheit is "); 
    Console.WriteLine(c + " degrees Celsius."); 
  }  
}


           
         
     

   
 
/*
C# A Beginner's Guide
By Schildt

Publisher: Osborne McGraw-Hill
ISBN: 0072133295
*/
/* 
   Project 2-1 
 
   Talking to Mars 
 
   Call this file mars.cs 
*/ 
 
using System; 
 
public class Mars {    
  public static void Main() {    
    double distance; 
    double lightspeed; 
    double delay; 
    double delay_in_min; 
 
    distance = 34000000; // 34,000,000 miles 
    lightspeed = 186000; // 186,000 per second 
 
    delay = distance / lightspeed;     
 
    Console.WriteLine("Time delay when talking to Mars: " + 
                      delay + " seconds."); 
     
    delay_in_min = delay / 60; 
 
    Console.WriteLine("This is " + delay_in_min + 
                      " minutes."); 
  }    
} 




           
         
     

   
 
/*
C#: The Complete Reference 
by Herbert Schildt 

Publisher: Osborne/McGraw-Hill (March 8, 2002)
ISBN: 0072134852
*/

// Implement the Pythagorean Theorem. 
  
using System;  
  
public class Pythagorean {     
  public static void Main() {     
    double s1; 
    double s2; 
    double hypot; 
    string str; 
 
    Console.WriteLine("Enter length of first side: "); 
    str = Console.ReadLine(); 
    s1 = Double.Parse(str); 
 
    Console.WriteLine("Enter length of second side: "); 
    str = Console.ReadLine(); 
    s2 = Double.Parse(str); 
 
    hypot = Math.Sqrt(s1*s1 + s2*s2); 
  
    Console.WriteLine("Hypotenuse is " + hypot); 
  }     
}


           
         
     

   
 
/*
C#: The Complete Reference 
by Herbert Schildt 

Publisher: Osborne/McGraw-Hill (March 8, 2002)
ISBN: 0072134852
*/
/*  
   This program illustrates the differences 
   between int and double. 
*/  
 
using System; 
 
public class Example3IntDouble {  
  public static void Main() {  
    int ivar;     // this declares an int variable 
    double dvar;  // this declares a floating-point variable 
 
    ivar = 100;   // assign ivar the value 100 
    
    dvar = 100.0; // assign dvar the value 100.0 
 
    Console.WriteLine("Original value of ivar: " + ivar); 
    Console.WriteLine("Original value of dvar: " + dvar); 
 
    Console.WriteLine(); // print a blank line 
 
    // now, divide both by 3 
    ivar = ivar / 3;  
    dvar = dvar / 3.0; 
 
    Console.WriteLine("ivar after division: " + ivar); 
    Console.WriteLine("dvar after division: " + dvar); 
  }  
}


           
         
     

   
 
/*
C#: The Complete Reference 
by Herbert Schildt 

Publisher: Osborne/McGraw-Hill (March 8, 2002)
ISBN: 0072134852
*/
// Compute the area of a circle. 
  
using System;  
   
public class ComputeCircle {   
  static void Main() {   
    double radius; 
    double area; 
 
    radius = 10.0; 
    area = radius * radius * 3.1416; 
 
    Console.WriteLine("Area is " + area); 
  }   
}

           
         
     

   
 

using System;

class DecimalToU_Int32Demo
{
    const string formatter = "{0,17}{1,19}{2,19}";
    public static string GetExceptionType( Exception ex )
    {
        string exceptionType = ex.GetType( ).ToString( );
        return exceptionType.Substring(exceptionType.LastIndexOf( '.' ) + 1 );
    }
    public static void DecimalToU_Int32( decimal argument )
    {
        object Int32Value;
        object UInt32Value;

        try
        {
            Int32Value = (int)argument;
        }
        catch( Exception ex )
        {
            Int32Value = GetExceptionType( ex );
        }

        try
        {
            UInt32Value = (uint)argument;
        }
        catch( Exception ex )
        {
            UInt32Value = GetExceptionType( ex );
        }

        Console.WriteLine( formatter, argument, Int32Value, UInt32Value );
    }

    public static void Main( )
    {
        DecimalToU_Int32( 123M );
    }
}

   
     

   
  

using System;

class MainEntryPoint {
    static void Main(string[] args) {
        Money cash1 = new Money();
        cash1.Amount = 40M;
        Console.WriteLine("cash1.ToString() returns: " + cash1.ToString());
        Console.ReadLine();
    }
}
class Money {
    private decimal amount;

    public decimal Amount {
        get {
            return amount;
        }
        set {
            amount = value;
        }
    }
    public override string ToString() {
        return "$" + Amount.ToString();
    }
}