HP Prime Graphing Calculator - Manual (Page 22)

18 Getting started
The keyboard
The numbers in the legend below refer to the parts of the
keyboard described in the illustration on the next page.
Number Feature
1 LCD and touch-screen: 320 × 240 pixels
2 Context-sensitive touch-button menu
3 HP Apps keys
4 Home view and preference settings
5 Common math and science functions
6 Alpha and Shift keys
7 On, Cancel and Off key
8 List, matrix, program, and note catalogs
9 Last Answer key (Ans)
10 Enter key
11 Backspace and Delete key
12 Menu (and Paste) key
13 CAS (and CAS preferences) key
14 View (and Copy) key
15 Escape (and Clear) key
16 Help key
17 Rocker wheel (for cursor movement)