| Points | Feature |
| 3 | Shows a field of numbers |
| 3 | Computes averages |
| 1 | Changes colors because of temperature |
| 1 | Shows colored squares and numbers for each temperature |
| 5!! | Mouse clicks add new hot or cold spots |
| 2 | Shows the average temp |
| 1 | Hot spots are in a random place each time |
| 1 | The bottom wall has a fixed tempature different from the top wall |