Puzzle solvers: Cryptoquote, Sudoku, Wordle.
Display a chart that combines MyNetDiary and Fitbit logs.
Correlate 1M bride & groom birth signs.
Create election database from phone book.
Battleship program (hard rules)
Chart GQ EMF-390 EMR (electro-magnetic radiation) detection logs.
Log oil furnace thermostat cycles (uses parallel & joystick ports).
Convert county grave database to HTML pages for Website