16
Chapter 2: Operating the Graphing Calculator
Second Function Key
Use
@
to call up the calculator’s extended key functions, math functions and
figures.
All functions associated with
@
are color coded yellow, and are printed above
each key.
Example
Enter “2
π
” on the screen.
1. Press
#
C
to clear the screen, then enter “2” by
pressing
2
.
2. Press
@
. When the key is
released, the cursor on the screen
changes, indicating that a second
function is now ready to be called
up.
3. Press
$
. The entry appears on
the screen.