HP 38g Graphing Calculator - Manual (Page 118)

Symbolic View
Keys Key Meaning
{{EDIT}} Copies the column variable (or variable
expression) to the edit line for editing. Press
{{OK}} when done.
{{'^CHK}} Checks/unchecks the current data set. Only
the checkmarked data set(s) are computed
and plotted.
{{c}}
or{{x}} Typing aid for the column variables (C) or
for the Fit expressions (X).
{{SHOW}} Displays the current variable expression in
standard mathematical form. Press {{OK}}
when done.
{{EVAL}} Evaluates the variables in the highlighted
column (Cl, etc.) expression.
1 V A R | Menu for entering variable names or
contents of variables.
1 MATH 1 Menu for entering math operations.
■ {CHARS] Displays special characters. To type one,
place the cursor on it and press {{OK}}.
(Ml Deletes the highlighted variable or the
current character in the edit line.
m {CLEAR] Resets default specifications for the data sets
or clears the edit line (if it was active).
Managing Statistical Data
Angle Setting You can ignore the angle measurement mode unless your Fit
definition (in Symbolic view) involves a trigonometric
function.Then you should specify in the Symbolic Setup view
whether the trigonometric units are assumed to be in degrees,
radians, or grads.
Saving Data Your data are automatically saved. When you are done
entering data values, you can press a key for another Statistics
view (like | symb |), or you can switch to another aplet or
Home.
5-12 Statistics