HP 38g Graphing Calculator - Manual (Page 22)

Canceling To cancel an operation within a view, press | o n | (the
Operations CANCEL key). Pressing CANCEL will cancel pending
operations, but will not change the view.
Exploring an Aplet View by View
Example Use the Function aplet to explore the real function
y = sin(l/x)
using the Symbolic, Plot, and Numeric views. All the
information you enter is automatically saved
1. Open the Function aplet. Press
| lib |. If necessary, press 0 to
highlight Function.
Then press {{START}} to display the
Symbolic view.
2. Enter the expression.
(If necessary, highlight a new line or
press I DEL I to clear the highlighted
expression.)
Press 1 0 {{X}} { eñter I
4. Plot the graph. Press |
plot
|. The
coordinates show that when .»=0, K jk )
is undefined.
(If your plot does not look like this,
try resetting the default plot settings;
Press ■ [SETUP-PLOT]
■ [CLEAR].)
Function
Parametric
Polar
Sequence
Solye w
FUNCTION SVM6DÜC
v<'FKH)=siHa^K>
F200 =
F3(X)=
F4<X)=
F5<H)=
w
3. There are three Setup views. They are
the shifted keystrokes for | symb |,
I PLOT I, and | num |. Check that
Radians are set for Symbolic Setup;
Press ■ [SETUP-SYMB] and choose
Radians, if necessary.
FUNCTION SYMBOLIC SETUP
ANGLE MEASURE:
Radian
CHOOSE ANGLE MEASURE
............................ t
K; 0 FKK : UNDEFINED IBiann
1-14 Getting Started