Example Circle
Circle are, dia, circumference
| 1 | Raduis | 10 | 10 | r |
| 2 | Dia | r*2 | 20 | dia |
| 3 | Circumference | pi()*dia | 62.831853071796 | Cur |
| 4 | Area | pi()*r*r | 314.15926535898 | area |