HP 38g Graphing Calculator - Manual (Page 90)

SETUP-NUM
Screen
Field Meaning
NUMSTART Where to start the independent variable’s
first value.
NUMSTEP The size of the increment from one
independent variable value to the next.
NUMTYPE Type of numeric table: Automatic or
Build Your Own. To build your own table,
you must type each independent value
into the table yourself.
NUMZOOM Zoom factor (multiplies the scale for
Zoom Out, divides for Zoom In).
Building Your Own Table of Numbers
The default NUMTYPE is "Automatic", which fills the table
with data for regular intervals of the independent (X, T, 0, or
N) variable. With NUMTYPE "Build Your Own", you fill the
table yourself by typing in the independent-variable values
you want, and the dependent values are then calculated and
displayed.
To format a 1. Start with an expression defined (in Symbolic view) in the
table
aplet of your choice.
2. In the Numeric Setup (■ [SETUP-NUM]), choose
NUMTYPE: Build Your Own.
3. Open the Numeric view
(| n u m |).
T o clear existing data in
the table, press ■ [CLEAR].
4. Enter the independent values in the left-hand column.
Type in the number and press |
e n t e r
|. You do not have to
enter them in order, because the ([SORT]} function can
rearrange them. To insert a number between two others,
use
([INS]}.
You enter
numbers into
the X column.
FI
IS
an
ISS
The defining — X^-l
expression |iHBMi:aBiiaiBBiEi33i
for FI.
FI entries are
generated
automatically.
3-26 Plotting and Exploring Functions