| 1. | In the Graphing view, tap Tools  and go to Graph Entry/Edit > Polar. |
| 2. | Type an expression for rn(θ). |
| 3. | (Optional) Edit the default values for θmin, θmax, and θstep. |
| 4. | Tap ENTER. |
Note: For information about path plots, see Exploring Graphs with Path Plot.