| Steps | Key Sequence | Screens |
| 1. Start Equation Editor | Press 'diamond' key, then F1 (for Y=) | |
| 2. Enter Floor Function | Press 2nd, then 5 (for Math Menu) | |
| Press 1 (for Number Submenu) | |
|
| Press 6 (for floor() | |
|
| Press X key, then ')', then ENTER | |
|
| 3. Change Style of Graph | Move cursor to Y1 | |
| Press 2nd, then F1 (to select F6 menu) | |
|
| Press 2 (for Dot), then ENTER | |
|
| 4. Graph | Press 'diamond' key, then F3 (for GRAPH) | |