HP HP-28S - Entering and Displaying Numbers; Changing the Decimal Point

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
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