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Each group of 6 entries is called a Menu page. The current menu, known as
the TOOL menu (see below), has eight entries arranged in two pages. The next
page, containing the next two entries of the menu is available by pressing the
L (NeXT menu) key. This key is the third key from the left in the third row of
keys in the keyboard. Press L once more to return to the main TOOL menu,
or press the I key (third key in second row of keys from the top of the
keyboard).
The TOOL menu is described in detain in the next section. At this point we will
illustrate some properties of menus that you will find useful while using your
calculator.
SOFT menus vs. CHOOSE boxes
Menus, or SOFT menus, associate labels in the lower part of the screen with the
six soft menu keys (Athrough F). By pressing the appropriate soft menu
key, the function shown in the associated label gets activated. For example,
with the TOOL menu active, pressing the @CLEAR key (F) activates function
CLEAR, which erases (clears up) the contents of the screen. To see this function
in action, type a number, say 123`, and then press the F key.
SOFT menus are typically used to select from among a number of related
functions. However, SOFT menus are not the only way to access collections of
related functions in the calculator. The alternative way will be referred to as
CHOOSE boxes. To see an example of a choose box, activate the TOOL menu
(press I), and then press the keystroke combination ‚ã(associated with
the 3 key). This will provide the following CHOOSE box: