HP -28S Manual page 39

on the value. For an integer, no decimal places are shown; for the
example displayed above, the maximum of 12 decimal places are
shown.
The other display formats show a given number of decimal places-
from 0 through II-regardless of the number being displayed. We'll
demonstrate each of the other display formats with two decimal
places. Only the displays of the numbers are rounded-internally, the
numbers are unchanged.
Display
2/3
rounded to two decimal places.
=-----------------------~
2
FIX
3:
2: 19.00
1: 0.67
mn.ma_rnaGm~
Display
2/3
as a
mantissa
and an
exponent,
with the mantissa rounded
to two decimal places.
2
SCI
3:
2: 1.
90E1
1: 6.67E-1
mn.lmllllm:lrnaGm~
The value of the number is the product of the mantissa and 10 raised
to the power of the exponent. The mantissa is always between 1 and
9.99999999999.
Display 2J3 as a mantissa and an exponent, with the mantissa rounded
to two decimal places and the exponent a multiple of 3.
2 EHG
3:
2:
19.0E0
1: 667.E-3
mn.1mIII_m:mGm~
Return to standard number display mode.
=-----------------------~
STD
3:
2:
19
1: .666666666667
IiEtIIImIII_rnaGm~
38 2: Doing Arithmetic
I