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HP HP-20S - Specifying the Number of Displayed Decimal Places (FIX); Displaying the Full Precision of Numbers (ALL)

HP HP-20S
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Regardless
of
the
current display
format,
each
number
is
stored
as a
signed,
12-digit
mantissa
with
a
signed,
three-digit
exponent.
For
ex-
ample,
pressing
[>][x]in
FIX
4
(four
decimal
places)
displays
3.1416.
Internally,
the
number
is
stored
as
3.14159265359
x
10900,
If
the
result
of
a
calculation
is
a
number
containing
more
significant
digits
than
can
be
displayed
in
the
current display
format,
the
dis-
played
number
is
rounded
to
fit.
Specifying
the
Number
of
Displayed
Decimal
Places
(FIX)
To
specify
the
number
of
displayed
decimal
places:
1.
Press
[¢]
[FIX].
2.
Enter
the
number
of
digits
(0
through
9)
that
you
wish
to
appear
after
the
decimal
point.
Keys:
Display:
Description:
(«]
3
0.000
Displays
three
decimal
places.
45.6
[x]
.1256
(=)
5.727
(A)
9
5.727360000
Displays
nine
decimal
places.
(«]
4
5.7274
Restores
four
decimal
places.
When
a
number
is
too
large
or
too
small
to
be
displayed
in
FIX
for-
mat,
it
is
automatically
displayed
in
scientific
notation.
Displaying
the
Full
Precision
of
Numbers
(ALL)
To
set
your
calculator
to
display
numbers
as
precisely
as
possible,
press
[>][ALL].
Trailing
zeros
are
not
displayed.
1:
Getting
Started
17

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