HP Prime Graphing Calculator - Manual (Page 96)

92 An introduction to HP apps
Note that there is an Unzoom option on the Zoom menu. Use
this to return a plot to its pre-zoom state. If the Zoom menu is not
shown, tap
.
Zoom In
In
Shortcut: press +
Zoom Out
Out
Shortcut: press w
X In
X In
X Out
X Out
Y In
Y In