| Applet Collections | Description |
|---|---|
| Physical Systems | A collection of applets that enable you to study simple physical systems in a playful way. |
| Calculus | A collection of interactive applets to illustrate concepts taught in AP Calculus. |
| Statistics | A collection of interactive applets to explore different statistics topics. |
| Pre-Calc | A collection of applets to explore pre-calculus concepts. |
| Graph Theory | A collection of applets for graph theory topics. |
| Specific Applets | Description |
|---|---|
| Applet 1 | Applet to see if you can color the map using only four colors. |
| Applet 2 | Same as above, but offers squiggle, rectangle, polygon, and US map patterns. |
| Applet 3 | Create your own map to color and visualize the theorem. |
| Appet 4 | Another map to color and visualize the theorem. |
| Applet 5 | Apply the theorem on a planar graph. |
| Resource | Type | Description |
|---|---|---|
| The 4-color theorem | Article | A broad and thorough overview of the history of the theorem |
| A formal proof- 4-color theorem | Article | A formal proof of the theorem |
| Four color theorem | Article | A classic wikipedia article with tons of info on the theorem |
| 4-color theorem- what counts as a proof? | Video | 4 and 5 color theorem explanations |
| 4 color theorem- Kempe's proof | Video | Kempe's proof of the 4 color theorem. |