Keypad; Using The Keypad - HP Notebook Series Hardware Manual

Keypad

The notebook has an internal numeric keypad and supports an
optional external numeric keypad or an optional external
keyboard that includes a numeric keypad.

Using the Keypad

The keypad consists of 15 keys that can be used like the keys on
an external keypad.
When the keypad is turned on, each key on the keypad
performs the functions indicated by the icon in the top-right
corner of the key.
The standard functions of the keypad keys are still available while
the keypad is turned on. See
later in this chapter.
Identifying the keypad keys
Hardware Guide
"Turning the Keypad On and Off"
TouchPad and Keyboard
2–13