Notes About Special Menus; Memory And The Memory Menu; Accessing Menus And Menu Maps - HP 30b - Business Professional Calculator User Manual

Notes about Special Menus

The Mode, Memory, Math and Reset menus are unique menus; they allow you to work in
another menu simultaneously without having to exit. For example, if you were working in the
Bond menu prior to entering one of these menus, pressing
previous work in the Bond menu.

Memory and the Memory Menu

The Memory menu contains the following items: memories 1–9 (Mem 1–9) and 0 (Mem 0),
Cash Flow, Statistics (Stats), programs (Prgm)*, and Memory. To enter the menu, press
:t
. Press
memory 1 (Mem 1).
When a memory item is displayed, you can key in a new number and modify the value of
the memory by pressing
For more information about storing and recalling numbers, refer to the section titled, Storing
and Recalling Numbers in Chapter 2.
The Cash Flow and Statistics data share the same memory and are limited to a combined total
of 50 memory slots. The number displayed with Memory refers to the number of remaining
memory slots. When the cash flow or statistics items are displayed, a number also appears
on the bottom line. This number indicates the number of memory slots used by the cash flow
or statistical data.
290 bytes are available for programs. The Prgm* menu item displays the number of bytes
used.
I
Press on the Cash Flow, Statistic, or Prgm* menu item to erase the associated data.
Since entering data in these menus can represent a significant amount of work, you will be
asked to confirm your choice. At the Del.Data?, Del. Prgm?*, or Del.CF? prompts, press
I
to confirm, or

Accessing Menus and Menu Maps

Many of the calculator's functions are located within menus. To access a menu, press the key,
or secondary-function, key combination for the menu in which you wish to work. To exit a
O
menu, press
For example, to access the Break-even menu, press
* Only applies to the HP 30b.
8 Basic Features
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or repeatedly to scroll through the items starting with
I
.
O
to cancel.
.
O
to exit returns you to your
:
.