HP 30b - Business Professional Calculator - Changing the Calculation Mode; Key Presses, the Shift Key, Secondary, and Tertiary Functions*

6 Getting Started
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 (,).
Table 1-1 Customizing the Calculator
Display/
Function
Description