Maintain a spreadsheet for every period of time you spend programming on the project Column headers: Date/Time # minutes Total # lines of code An example of a spread sheet: Date / Time # minutes Total # lines 3/13 4pm 30 200 3/13 8pm 15 182 3/14 2am 90 250 3/16 4pm 180 381 3/17 8pm 300 409