HP 39GS hp 39gs_user's guide_English_E_HDPMG39AE13.pdf - Page 18
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HINT • Pressing displays a menu of physical constants from the fields of chemistry, physics, and quantum mechanics. You can use these constants in calculations. (See "Physical constants" on page 13-25 for more information.) • Pressing takes you to the beginning of the MATH menu. See "Math functions by category" on page 13-2 for details of the math functions. When using the MATH menu, or any menu on the hp 39gs, pressing an alpha key takes you straight to the first menu option beginning with that alpha character. With this method, you do not need to press first. Just press the key that corresponds to the command's beginning alpha character. Program commands Inactive keys Pressing CMDS displays the list of Program Commands. See "Programming commands" on page 18-13. If you press a key that does not operate in the current context, a warning symbol like this ! appears. There is no beep. Menus A menu offers you a choice of items. Menus are displayed in one or two columns. To search a menu • The arrow in the display means more items below. • The arrow in the display means more items above. • Press or to scroll through the list. If you press or , you'll go all the way to the end or the beginning of the list. Highlight the item you want to select, then press (or ). 1-8 Getting started