HP 25

28 Controlling the Display
Pres s Display
1.000000094 1 1.000000094
a [§QJ 7 1 1.0000001 00
In SC I 8, the display would round off to the eighth digit a fter the
decim al point , but yo u can s ee on ly out to seve n digits after
the decimal:
I .0000000 94
You see to here ... ~~ .
. but the ca l cu l ato r displ ay
r ounds to h ere in SC I 8.
Press
Display
a lli£L] 8 1 1.0000000 00
You can see th at if you had key ed in 1.000000095, SC I 8 wou ld
al
so h ave ca u se d the display to r ound the seve nth and fin al dig it
after the decimal to a one ( I).
Engineering Notation Display
Specified Digits
First Three Digits
Always Present
Exponent of Ten Always
a Multiple of Three
Engineering Notation Display
Eng in eer in g no ta tion a ll ows a ll numb ers to be s hown with ex -
pon e nts o ften that are multipl es of thr ee (e.g., 10 :l, 10- li, 10 ").
Thi s is particularl y u sef ul in scientific a nd engin ee ring ca l cula-
tions, wh ere unit s of m easure are often s p ec ifi ed in multiple s of
thre e. See the prefix ch art 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
fe mto
f
10 -
18
atto
a