HP 39g Graphing Calculator - Manual (Page 88)

7. Trace along the graph representing the left member of the
equation until the cursor nears the intersection.
(VI —20 times
A:S.S E liTatni
Note the value of A
displayed near the
bottom left corner of the
screen.
The Plot view provides a convenient way to find an
approximation to a solution before using the Numeric
view Solve option. See “Plotting to find guesses” on
page 7-8 for more information.
Solve aplet’s NUM view keys
The Solve aplet’s NUM view keys are:
Key Meaning
Has
Copies the highlighted value to the edit
line for editing. Press HB when done.
Displays a message about the solution
(see “Interpreting results” on page 7-6).
BEi Displays other pages of variables, if
any.
HUH Displays the symbolic definition of the
current expression. Press H3 when
done.
Finds a solution for the highlighted
variable, based on the values of the
other variables.
DU]
Clears highlighted variable to zero or
deletes current character in edit line, if
edit line is active.
(Wnci-f/it? Resets all variable values to zero or
clears the edit line, if cursor is in edit
line.
7-4 Solve aplet