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
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.
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
‚ã(associated with the 3 key).
This will provide the following
This CHOOSE box is labeled BASE MENU and provides a list of numbered
functions, from 1. HEX x to 6. B R. This display will constitute the first page
of this CHOOSE box menu showing six menu functions. You can navigate
through the menu by using the up and down arrow keys, —˜, located in
the upper right side of the keyboard, right under the E and Fsoft menu
keys. To activate any given function, first, highlight the function name by