Chapter 1: Basics 19
Trig Advance
For details above the above key sets, see “Using Math, Trig, and Advance Key Sets” (page 23).
[Var] (variable) key set
This key set includes only keys for the input of single-character variables. For
more information, see “Using Single-character Variables” (page 25).
[abc] key set
Use this key set to input alphabetic characters. Tap one of the tabs along the
top of the keyboard (along the right when using horizontal display orientation)
to see additional characters, for example, tap [Math]. For more information, see
“Using the Alphabet Keyboard” (page 26).
[Catalog] key set
This key set provides a scrollable list that can be used to input built-in
functions, built-in commands, system variables, and user-defined functions.
Tap a command to select it and then tap it again to insert it. Selecting an item
from the Form list changes the available commands. For more information, see
“Using the Catalog Keyboard” (page 27).
[Number] key set
This key set provides the same keys as those on the keypad. Use this key set
when you want to use only the touch screen for input or in place of the keypad
while using horizontal (landscape) display orientation.
Input Basics
This section includes a number of examples that illustrate how to perform basic input procedures. All of the
procedures assume the following.
• The Main application is running. See “Built-in Applications” (page 14).
• The soft keyboard is displayed. See “Using the Soft Keyboard” (page 18).
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