Mathematics 2019: Your Daily Epsilon of Math: 12-Month Calendar Featuring A Math Equation A Day
| Country | USA |
| Brand | Guidecraft |
| Manufacturer | Guidecraft |
| Binding | Toy |
| ItemPartNumber | 1 |
| Model | 1 |
| Warranty | 1 Year Warranty Against Manufacturer Defects |
| Color | Multicoloured |
| Size | 20 Piece |
| UPCs | 716243083211 |
| EANs | 0716243083211 |
| ReleaseDate | 0000-00-00 |