| Keyword: | ∇ Name: | Description: | ∇ Type: | 
| Integer Programming | Dice_DesignNT.xlsx | Constructing Nontransitive Dice | What'sBest! | 
| Integer Programming | MAGICSQUARE.xls | The Magic Square Problem | What'sBest! | 
| Integer Programming | alphametic.xls | Alphametics (addition) | What'sBest! |