This program asks the user to select Fahrenheit or Celsius conversion and input a given temperature. Then the program converts the given temperature and displays the result.

Main Program
    Get Choice
    Either:
        Get Fahrenheit temperature
        Calculate Celsius
        Display Result
    Or:
        Get Celsius temperature
        Calculate Fahrenheit
        Display Result

Get Choice
    Parameters:
        None
    Process:
        Display prompt
        Get choice of Fahrenheit or Celsius conversion
    Return Value:
        Choice

Get Temperature
    Parameters:
        Label (Fahrenheit or Celsius)
    Process:
        Display prompt with label
        Get temperature
    Return Value:
        Temperature

Calculate Celsius
    Parameters:
        Fahrenheit temperature
    Process:
        Convert Fahrenheit temperature to Celsius
    Return Value:
        Celsius temperature

Calculate Fahrenheit
    Parameters:
        Celsius temperature
    Process:
        Convert Celsius temperature to Fahrenheit
    Return Value:
        Fahrenheit temperature

Display Result
    Parameters:
        Input temperature
        From label (Fahrenheit or Celsius)
        Output temperature
        To label (Fahrenheit or Celsius)
    Process:
        Display temperatures and labels
    Return Value:
        None