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Engineering LibreTexts

3.12: C# Examples

  • Page ID
    10631
  • Temperature

    // This program asks the user for a Fahrenheit temperature, 
    // converts the given temperature to Celsius,
    // and displays the results.
    //
    // References:
    // https://www.mathsisfun.com/temperature-conversion.html
    // https://en.wikibooks.org/wiki/C_Sharp_Programming
    
    using System;
    
    class Temperature 
    {
        public static void Main (string[] args) 
        {
            double fahrenheit;
            double celsius;
            
            fahrenheit = GetFahrenheit();
            celsius = CalculateCelsius(fahrenheit);
            DisplayResult(fahrenheit, celsius);
        }
    
        private static double GetFahrenheit()
        {
            string input;
            double fahrenheit;
            
            Console.WriteLine("Enter Fahrenheit temperature:");
            input = Console.ReadLine();
            fahrenheit = Convert.ToDouble(input);
    
            return fahrenheit;
        }
    
        private static double CalculateCelsius(double fahrenheit)
        {
            double celsius;
            
            celsius = (fahrenheit - 32) * 5 / 9;
            
            return celsius;
        }
    
        private static void DisplayResult(double fahrenheit, double celsius)
        {
            Console.WriteLine(fahrenheit.ToString() + "° Fahrenheit is " +
                celsius.ToString() + "° Celsius");
        }
    }
    

    Output

    Enter Fahrenheit temperature:
     100
    100° Fahrenheit is 37.7777777777778° Celsius