
21
Chapter 2: Operating the Graphing Calculator
Example
Enter “ 65536
4
×
8
3
” in the Calculation screen. Then press
E
to calculate.
1. Press
#
, then
C
to clear the display.
2. Enter 4 for the root’s depth, then press
@
_
.
The root figure is entered, with the cursor automatically placed
below the figure.
For detailed instructions of how to use the
@
key, refer to
“Second Function Key” and “ALPHA Key” in this chapter.
3. Enter 65536.
At this moment, the cursor is still placed under the root figure.
4. Press
'
to move the cursor out of the area, then enter
|
at the cursor.
5. Press
@
_
again. Notice that the cursor is
automatically placed so that you can specify the depth of this
root figure. Type 3,
}
, and 8.
6. Press
E
to obtain the
answer.
Mode
Symbol
Remarks
Normal mode
The appearance of the cursor pointer
may vary according to the mode or
When
A
is pressed
position. The major shapes and the
definitions are as follows:
When
@
is pressed
: Insert mode
: Overwrite mode
* , and appear at the insertion point within the functions such as a/b and
a
.
The cursor also displays information regarding the calculator’s
input method. See the following diagram.
Cursor
appearance and
input method
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