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Chapter 2: Operating the Graphing Calculator
ALPHA Key
Use A to enter an alphabet character. All 26 characters accessible, as well as "θ ",
"=", " : ", and space.
All functions associated with A are color coded green, and are printed above each
key.
Note:
Do not type out math figures (sin, log, etc.), graph equation names
(Y1, Y2, etc.), list names (L1, L2, etc.), or matrix names (mat A,
mat B, etc.), etc. with A keys. If "SIN" is entered from A
mode, then each alphabet character — "S", "I" and "N" — will be
entered as a variable. Call up the figure and equation names from
within the second functions and various menus instead. If a colon (:)
is used, data may continue to be entered in more than one term.
Entering one
Example
Alphabet
Enter 2
character
1. Press # C to clear
2. To enter "A", press A; the
3. Press A to call "A" at the
To type more than one alphabet character, use @ then A
Entering 1 or
to apply the "ALPHA-LOCK". When done, press A to escape
More Alphabet
characters
from the mode.
24
×
A on the screen.
×
the screen. Enter "2
" by
pressing 2 |.
cursor pattern changes to "A _ "
upon releasing the key.
cursor.
After the entry, the cursor
pattern changes back to
normal.
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