HP (Hewlett-Packard) 20B Calculator User Manual


 
Basic Features
9
Table 1-1 Mode Menu Settings
Setting (top line) Description
FIX= 2 Display precision (number of digits displayed to the right of the decimal point).
Default is
2
.
Key in the number of digits you want and press I, or press = until the number of digits
you want is displayed.
The display precision can be any number from 0-11. If you specify -1, the calculator displays
numbers with the most appropriate number of digits after the decimal point.
If you find you need to change the
FIX
setting often, use the following shortcut:
1 Press : and release it. Check that the secondary function indicator is displayed.
2 Press : again, and, without releasing it, press a key, 0 through 9 that corresponds
to the desired
FIX
setting. FIX settings for 10 and 11 are not available using this shortcut. If you
press . instead of a numbered key, FIX=-1 is selected.
Degree or Radian Angular mode in degrees or radians for trigonometric functions.
Default is
Degree
.
Pressing I toggles between these options.
Date:
mm.ddyyyy or
dd.mmyyyy
Format for dates. December 3, 2010 is entered as
12.032010
in
mm.ddyyyy
format, or
3.122010
in
dd.mmyyyy
format. Note the (.) in both formats separating the first and second groups.
Default is
mm.ddyyyy
format.
Pressing I toggles between these options.
Note that when a date is displayed, a number between
1
and
7
also displays at the right of the
screen. This number indicates the day of the week corresponding to that date. Monday is
1
, and
Sunday is
7
.
Note: in 360-day calendar mode (Cal.360), days of the week are displayed only if the date is valid.
1.23 or 1,23 Selects point or comma as decimal separator.
Default is decimal point,
1.23
Pressing I toggles between these options.
1000.00, 1,000.00,
1000,00 or 1.000,00
Selects thousands separator.
Default is none,
1000.00
Pressing I toggles between these options.
Note: the 1000.00 and 1,000.00 options are only available if the decimal separator is set for point
(.); 1000,00 and 1.000,00 are available only if the decimal separator is set for comma (,).
Chain, Algebraic, or
RPN
Calculation mode. For more information, refer to Chapter 2,
Mathematical Calculations
.
Pressing I cycles through these options.