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combined with some of the other keys to activate the alternative functions
shown in the keyboard. For example, the
P
key,
key(4,4)
, has the
following six functions associated with it:
P
Main function, to activate the SYMBolic menu
„´
Left-shift function, to activate the MTH (Math) menu
… N
Right-shift function, to activate the CATalog function
~p
ALPHA function, to enter the upper-case letter P
~„p
ALPHA-Left-Shift function, to enter the lower-case letter p
~…p
ALPHA-Right-Shift function, to enter the symbol P
Of the six functions associated with the key only the first four are shown in the
keyboard itself. This is the way that the key looks in the keyboard:
Notice that the color and the position of the labels in the key, namely,
SYMB
,
MTH
,
CAT
and
P
, indicate which is the main function (
SYMB
), and which of
the other three functions is associated with the left-shift
„
(
MTH
), right-
shift
…
(
CAT
) , and
~
(
P
) keys.
For detailed information on the calculator keyboard operation referee to
Appendix B .
Selecting calculator modes
This section assumes that you are now at least partially familiar with the use of
choose and dialog boxes (if you are not, please refer to Chapter 2).
Press the
H
button (second key from the left on the second row of keys from
the top) to show the following
CALCULATOR MODES
input form:
