HP 40gs User Manual page 67

Change the
scale
Trace a graph
Function aplet
6. You can change the scale to see more or less of your
graphs. In this example, choose Auto Scale. (See
"VIEWS menu options" on page 2-13 for a
description of Auto Scale).
Select Auto
Scale
7. Trace the linear function.
6 times
Note: By default, the
tracer is active.
8. Jump from the linear function to the quadratic
function.
3-3