1. A message is displayed on the screen giving the name and basic functions of the program.
2. A question is displayed asking for the data filename.
3. The user enters the filename INCLUDING EXTENSION from the keyboard.
4. If no filename is entered, a default filename of "vectdata.dat" is assumed.
5. The filename entered is opened and loaded.
A. The vector name is loaded and all of the information is passes into an array with that vector name.
6. If the file doesn't exist, an error message is displayed.
7. Once all of the information is loaded, a question asking for the date to calculate for is displayed.
8. Using the date loaded in #5 and entered in #7, the change date is calculated.
9. Now the new vectors are calculated using vector addition.
10. The option is given to either export data to file, print, or to view on screen.
11. Finally, all data is cleared and the option is given to start over or to quit.
