HP Prime Graphing Calculator User Manual

Page 140

136

Geometry

Preparation

1. Press

2. On the

Home Setting

screen set the number format to

Fixed and the number of decimal places to 3.

Open the app

and plot the

graph

3. Press

and select

Geometry

If there are objects showing that you don’t need, press

and confirm your intention by tapping

4. Select the type of graph you want to plot. In this example

we are plotting a simple sinusoidal function, so choose:

> Plot > Function

5. With plotfunc( on the entry line, enter 3*sin(x):

seASsE

Note that x must be entered in lowercase in the
Geometry app.
If your graph doesn’t
resemble the illustration
at the right, adjust the

Rng

and

Rng

values

in Plot Setup view
(

We’ll now add a point
to the curve, a point that
will be constrained always to follow the contour of the
curve.

Add a

constrained

point

6. Tap

and select Point On.

Choosing Point On rather than Point means that the

point will be constrained to whatever it is placed on.

7. Tap anywhere on the

graph, press

and then press

Notice that a point is
added to the graph and
given a name (B in this

example). Tap a blank
area of the screen to
deselect everything. (Objects colored cyan are selected.)