| 1 | To teach quadratic equations in the plane |
| 2 | To determine as a geometrical place to conics |
| 3 | To teach symmetry transformation |
| 4 | To teach some of the curves in the plane and in space |
| 5 | T o introduce sphere, cylinder, cone surfaces |
| 6 | To teach revolution and linear surfaces. |
| 7 | To teach quadratic surfaces. |
| 8 | To teach homogeneous coordinates of the plane and in space |