HP 20B - Manual (Page 8)

Basic Features
8
Two Line Display
There are two lines in the display screen as shown in Figure 1.
Figure 1 Display Screen
The top line of the screen displays operation status, operator symbols, annunciators, and abbreviations of the registers,
variables, and menu names. Throughout this manual, this line is referred to as the
top line . In Figure 1, SIN is on the top line.
The bottom line displays numbers you have entered, or results. Throughout this manual, this line is referred to as the bottom
line .
When no operations have been entered and no operations are pending, the bottom line of the screen displays 0.00 . This state
of the calculator is referred to as the default calculator screen .
The Mode Menu: Setting Preferences
The Mode menu allows you to customize the calculator. To access the Mode menu, press
:u
. Press
<
or
>
repeatedly to scroll through the menu starting with FIX=2 (the number of digits displayed to the right of the decimal point).
Once an item is displayed, press
I
to cycle through the other options for that setting. To exit the Mode menu, press
O
. Table 1-1 lists the items in the Mode menu .