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Normally if you press the
VIEWS key on your hp 39gs or hp 40gs then
you will see a list of options which vary according to which aplet is
currently active. The
VIEWS menu for the Function aplet is shown right.
Any aplet that has been created by a programmer, such as the Curve
Areas aplet shown right, will generally have had its
VIEWS menu
modified by the person who created it.
The new
VIEWS menu is used to control the aplet, offering a series of
choices to the user. Usually the intention is that you should work through
the choices in the order that they appear. For example, in the menu
shown here you would need to Choose function before you could use it
to investigate areas under the curve using Lower rect.
Calculator Tip
If there is documentation with an aplet then you should read it. It often
contains information which is needed for the efficient use of the aplet. It
may also have one or more student worksheets which can be copied
and used in a classroom.
Most of these programmed aplets have ‘helper’ programs that are
automatically loaded into the
Program Catalog. When you delete the
aplet these are not automatically deleted. You must change into the
Program Catalog and delete them by hand. Left undeleted they will
simply consume memory. See the next page.
If you are a teacher then it is highly recommend that you investigate the
aplets available. They can enhance your teaching greatly and, more
importantly, put the learning process in the hands of the student by
letting them control the process via their calculator. It is worth reading
the information contained in Appendix B: Teaching or Learning Calculus
on page
314.
249
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