Steren CAL-150 Instructivo De Uso página 218

Graph Visualization Function
Immediately after producing a function, you can move
throughout it in order to visualize different parts of it. Use
the movement buttons in order to move up, down, right, or
left.
Example:
Graph the following formula: y=0.25(x+2)(2x+1)(2x-5) and
afterwards, move throughout it.
Xmin:
Xmax:
Xscl:
-5
5
1
Ymin:
Ymax:
Yscl:
-8
8
2