Editing And Clearing Entries; The On/Ce Key; The Reset Menu - HP 30b - Business Professional Calculator User Manual

interest rate is displayed on the bottom line. With this screen displayed, press
12I
=
to calculate the value for the effective rate. See Figure 4.
When an item for which the
on the top line at the right of the screen. Do not confuse this small annunciator (=) with the
larger annunciator
When an item for which the
displayed on the top line at the right of the screen.

Editing and Clearing Entries

The On/CE Key

O
Pressing one time cancels current number entries, mathematical operations, or a menu
selection, in that order.
O
Pressing repeatedly when performing multiple operations cancels one operation at a
time, from the latest to the earliest.

The Reset Menu

The Reset menu allows you to reset some, or all, of the menu items, variables, and registers to
their default values.
To open the Reset menu, press
repeatedly to scroll to a specific item. To validate a choice and reset the selected items, press
I
. Press
statistics (Stats ), programs (Prgm)* or all values (All ) items, you will be prompted to confirm
your choice. At the Del. All?, Del. Data?, Del. Prgm?*, and Del. CF? prompts, press
again to confirm the reset, or
:x
takes you directly to the item of the Reset menu that allows you to reset that specific
menu. For example, if you are working in the Bond menu and you wish to reset all your entries
in the Bond menu, with any item of the Bond menu displayed, press
on screen. At this prompt, pressing
item you were working with in the Bond menu.
* Only applies to the HP 30b.
to input a new value for the nominal rate. Press
=
key is valid displays, the small annunciator (=) is displayed
=
found to the right of a variable.
( )
I
:x
O
to cancel. If you select the command to reset the cash flow (Cash Flow),
O
to cancel. While working within a specific menu, pressing
I
Figure 4
key is valid displays, the INPUT annunciator is
. TVM displays on the top line. Press
resets the Bond menu and returns you to the last
<
followed by
< >
or
I
:x
. Bond displays
Basic Features
7