Entering And Displaying Numbers; Changing The Decimal Point - HP -28S Manual

Entering and Displaying Numbers
There are modes that affect how numbers are displayed. To demon-
strate the choices, put the number
2/3
on the stack.
Put 2 on the stack.
2
1
ENTER
1
Divide by 3.
3G]
3:
2: 19
1: .666666666667
~mElBlIIIlI:DIIIIllI3IIlI1iCI
The result,
2/3,
is returned to level 1. This result is the decimal ap-
proximation to
2/3,
as displayed by the default choices for decimal
point and number display mode. The next section describes other
choices.
Changing the Decimal Point
In the United States a period is used to separate the integer part of a
number from the fractional part. In this role the period is called a
decimal point; the general term for this numerical punctuation is a
radix mark.
Many other countries use a comma as the radix mark. You can select
the comma as follows.
Select the MODE menu .
• 1
MODE
I
3:
2: 19
1: .666666666667
IiiDIIiBI . . rnaGmDm1l
36 2: Doing Arithmetic
I