N = Create a new task on the list of tasks. C = Complete a task. This will add it to the completed task list and replace its normal task with "**COMPLETED TASK**" D = Remove a task from the unfinished task list. F = Change which list you are viewing. H = Clear all of your completed tasks. P = Clear all of your incomplete tasks.
The project calculates how many tasks you have left, as well as the percentage of tasks you've finished.