Integrated tool for learning Finnish with Prolog. It's a WordNet database and a SuperMemo-2 implementation in one file. All data entry is done manually by inserting more lines into the file.

• https://github.com/fnogatz/date_time

• Run a SWI-Prolog shell
• [main].
• study. and press Enter to show the meaning and for more entries to study
• Manually rate the score and add memo entries to the file
• At the end of the session, reevaluate the file again to update the memo entries ([main].) then call study_below_four. to study entries that scored below 4. Continue the repetitions until all of these items score at least four.