hp calculators
HP 9s Operating Modes and Display Format
To display it in scientific notation press
\P
(press
P
again if you want to restore FIX 4): the display
now reads
. Pressing
\
is necessary because the
P
key is disabled while keying in a
number, it can only be pressed after
\
or when the display contains a result. Alternatively, you can press
P
after the
`
key, because
`
is enabled while a number is being keyed in.
2
10
2346
1
⋅
.
Press
`
to express this number with an exponent that is a multiple of three (including zero):
. To change the exponent in multiples of three press the
`
and
~!
keys as many
times as needed. For example, pressing
``
returns
(NB: not
) and pressing now
~!
~!~!
results in
(NB: not
). These numbers reveal that
`
and
~!
actually convert the displayed number
as is displayed, not its internal value, which is not modified in any case, though.
00
10
4568
123
⋅
.
06
10
123456800
−
⋅
06
10
123456780
−
⋅
3
10
1234568
0
⋅
.
3
10
12345678
0
⋅
.
Press
P
to display the number in scientific format and
P
once again to restore FIX 4.
hp calculators
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HP 9s Operating Modes and Display Format - Version 1.0
