HP 40gs hp 40gs_user's guide_English_E_HDPMSG40E07A.pdf - Page 393
Extending aplets
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hp40g+.book Page 1 Friday, December 9, 2005 1:03 AM 22 Extending aplets Aplets are the application environments where you explore different classes of mathematical operations. You can extend the capability of the HP 40gs in the following ways: • Create new aplets, based on existing aplets, with specific configurations such as angle measure, graphical or tabular settings, and annotations. • Transmit aplets between HP 40gs calculators via a serial or USB cable. • Download e-lessons (teaching aplets) from Hewlett-Packard's Calculator web site. • Program new aplets. See chapter 21, "Programming", for further details. Creating new aplets based on existing aplets You can create a new aplet based on an existing aplet. To create a new aplet, save an existing aplet under a new name, then modify the aplet to add the configurations and the functionality that you want. Information that defines an aplet is saved automatically as it is entered into the calculator. To keep as much memory available for storage as possible, delete any aplets you no longer need. Example This example demonstrates how to create a new aplet by saving a copy of the built-in Solve aplet. The new aplet is saved under the name "TRIANGLES" and contains the formulas commonly used in calculations involving right-angled triangles. Extending aplets 22-1