| Date | Name | Who | What |
|---|---|---|---|
| 2017-11-23 22:31:25 | Bag of algorithms | pooryorick | reference |
| 2011-07-07 22:23:36 | Check digits | RLE | reference |
| 2020-07-02 19:58:44 | Entry Validation | gregix | reference |
| 2012-08-27 22:33:00 | Richard Suchenwirth | LkpPo | reference |
| 2019-08-11 16:46:30 | RS | pooryorick | reference |
| 2014-09-08 15:59:36 | Validating Credit Card Check Digits | carlmgregoryhomegmailcom | reference |