HP 39g+ - Manual (Page 86)

7-4 Solve aplet
7. Trace along the graph representing the left member of the
equation until the cursor nears the intersection.
*A,
≈
20 times
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
@9DU— Copies the highlighted value to the edit
line for editing. Press
PF• when done.
DIAP— Displays a message about the solution
(see “Interpreting results” on page 7-6).
Q6B@— Displays other pages of variables, if
any.
9@AI— Displays the symbolic definition of the
current expression. Press
PF• when
done.
TPGW@— Finds a solution for the highlighted
variable, based on the values of the
other variables.
>'(/@ Clears highlighted variable to zero or
deletes current character in edit line, if
edit line is active.
>6+,)7@
CLEAR Resets all variable values to zero or
clears the edit line, if cursor is in edit
line.