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key et
Tapping the
key displays keys for inputting single-character variables, and changes
the
softkey to
keyboard. Tapping the
character variables.
Tip
• As its name suggests, a single-character variable is a variable name that consists of a single
a
x
character like "
" or "
". Each character you input on the
character variable. To input multiple-character variable names like "ab" or multiple-character
strings, you must use the alphabet (abc) keyboard. For more information, see "Using Single-
character Variables" on page 1-6-12.
• For information about the
key sets, see "Using the Answer Variable (ans)" on page 2-2-2.
U ing the Alphabet (abc) Keyboard
In addition of the initial alphabet (abc) key set, you can also select from among three
other key sets, within alphabet (abc), named
symbols), and
(extra symbols).
Initial alphabet (abc) keyboard key et
This keyboard is for inputting lower-case alphabetic characters. Tap
or
to caps lock the keyboard when you want to input upper-case characters.
• Note that the initial alphabet (abc) keyboard uses the qwerty key arrangement, which is
similar to a computer keyboard. You can also change to an azerty or qwertz arrangement.
See "16-9 Specifying the Alphabetic Keyboard Arrangement".
1-6-10
Input
. You can tap this key to toggle between
key switches to a key set for inputting upper-case single-
key that appears in the lower right of all of the math (mth) keyboard
20090601
and the default
keyboard is treated as a single-
(character symbols),
to shift the keyboard
(mathematics
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