HP 25 Owner's Handbook Manual page 32

Programmable scientific calculator
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28
Controlling the Display
Press
Display
1.000000094
11.000000094
a
[§QJ
7
1
1.0000001 00
In
SC
I
8,
the display would
round
off to the eighth digit after the
decim
al
point
,
but
yo
u
can see
on
ly
out
to
seve
n
digits
after
the
decimal:
I
.000000094
You see to
he
re ...
~~
.
.
but the
ca lcu lato
r
displ
ay
rounds
to
here
in
SC
I
8.
Press
Display
a
lli£L]
8
1
1.0000000
00
You
ca
n
see
that
if
you
had
keyed
in
1.000000095, SC
I
8 wou
ld
also have ca
used the di
s
play
to
round
the
seve
nth
a
nd fin
al
di git
aft
e
r
the decimal to
a o ne ( I).
Engineering Notation Display
Specified Digits
First Three Digits
Always Present
Exponent of Ten Always
a Multiple of Three
Engineering Notation Display
Engineer ing
no tation
a llows
a
ll
numbe rs
to
be
s
hown
w
ith ex-
pone
nts
o
ften that
are
multiples
of three
(e.g., 10:l,
10-
li, 10").
Thi
s is pa
rticul
a
rl
y
useful
in
sc ie
ntifi
c
a
nd
e nginee
ring
calcula-
tion
s
,
w here
units
of measure are often
s pec
ifi ed in multiple
s of
thre
e.
See the prefix ch
a
rt below.
Multiplier
Prefix
Symbol
10
'2
tera
T
10
9
giga
G
10'
mega
M
10
3
kilo
k
10
-
3
milli
m
10-
'
micro
}J.
10-
9
nanD
n
10-
12
pico
P
10-
15
femto
f
10-
18
atto
a

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