7-4 Solve aplet
6. Plot the equation for variable A.
Select Auto
Scale
7. Trace along the graph
representing the left
side of the equation
until the cursor nears
the intersection.
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 instead of using the
Numeric view Solve option. See “Plotting to find
guesses” on page 7-7 for more information.
Solve aplet’s NUM view keys
The Solve aplet’s NUM view keys are:
Key Meaning
Copies the highlighted value to the
edit line for editing. Press when
done.
Displays a message about the
solution (see “Interpreting results” on
page 7-6).
Displays other pages of variables, if
any.
Displays the symbolic definition of the
current expression. Press when
done.
Finds a solution for the highlighted
variable, based on the values of the
other variables.
hp40g+.book Page 4 Friday, December 9, 2005 12:27 AM
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