| Known values | Select the set of known parameters |
| a, a1, a2, ... | Angle |
| Arc length | Arc length of a circle pie |
| Area | Area of the figure |
| circumference, outer circum, inner circum | Circumference of the figure |
| diagonal, d, d1, d2 | Diagonal |
| diameter | Diameter of a circle |
| h | Height (see drawing of figure) |
| l, l1, l2, ... | Length of a side or some other length (see drawing of figure) |
| m1, m2, ... | Median lines |
| n | Number of sides |
| Origin | Select origin for the xy coordinates |
| radius | radius of a circle |
| ri | Radius of inner circle |
| ro | Radius of outer circle |
| s | Length of one side |
| To scale | When checkmarked the figure is drawn to scale |
| xy1, xy2, ... | Coordinates of the figure, origin is controlled by the "Origin" selection |
