Casio CFX9850GBPLUS User Manual page 254

Example Use the pen to draw on the graph
Use the following V-Window settings.
Xmin = –5,
Ymin = –5,
Procedure
1 m GRAPH
!3 (V-WIN) - f w f w b w c
3 (TYPE)1 (Y=)v ( v +c)( v -c) w
6 (DRAW)
2 !4 (SKTCH)6 (g )6 (g )1 (PEN)
3 f ~f d ~d w
4 cd ..., e ~e , ef ..., d ~d w
Result Screen
5-10-6
Changing the Appearance of a Graph
Xmax = 5,
Ymax = 5,
- f w f w b wJ
20070201
y x x x
= ( + 2)( – 2).
Xscale = 1
Yscale = 1