HELP:

You are currently in the main menu.  Your options include :
 
If 'D' is entered you will be provided with a detailed description of 
the program and how calculations are done.

If 'E' is entered you can enter completely new data into the program.  
If this option is chosen and data has previously been enterd, then it 
is lost unless it has already been saved.

If 'G' is entered you can retrieve data that has been previously
saved in a file.  

If 'R' is entered you can revise information entered during the current
session or add and edit information obtained from a file previously saved.

If 'P' is entered you can process data to obtain information about your
cycles based on the temperature and calendar methods.

If 'V' is entered you can view graphs of the days types you have entered.

If 'Q' is entered you will leave the program.
