HP 39G

Aplets and their views 2-11
X-Zoom In:
=220_ X-Zoom In 2._
Now un-zoom.
X-Zoom Out:
=220_ X-Zoom Out 2._
Now un-zoom.
Y-Zoom In:
=220_ Y-Zoom In 2._
Now un-zoom.
Y-Zoom Out:
=220_ Y-Zoom Out 2._
Zoom Square:
=220_ Square 2._