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SET
DECIMAL
5
DIGITS:
DISPLAY:
.
DDDDD
the number underflows and zeros appear tn the X
register.
SWITCH:
FLOATING
DISPLAY:
4
.
-
05
~
.t
accuracy is not lost even though the d1splay did not
automatically change to float ing point.
ln either case, 'overflow' or 'underflow'
,
the
digits
are not lost because the calculator always operates
in 'floating point' regardle
ss
of the display mode.
KNOW YOUR 91008
The range of the
91008
is from
9 999 999 999
x
10
99
to
1
x
10-
98
•
Even thou gh
9 .999 999 999
x
10-
9
~,
can be entered
and stored in the calculator the lowest effective range
is
still
1
x
10-
9 ;
the following example demon strates this
.
EXAMPLE:
(2
X
10-=i
0
)
X
(5
X
10
-
50
)
10
X
10
-
lOO
1
X
1 0-
9 f'
SWITCH
:
FLOATING
SWITCH:
RUN
PRESS:
CLEAR
PRESS:
5
PR
ESS:
5
2
0
ENTER
EXP
ENTER
EXP
t
CHG
SIGN
CHG
SIGN
5
0
PRESS:
X
(t
he
Y
register 'overflows' and
dis-
plays zero; in
th
is case when
'over-
flow' occurs
t
he information
is
lost.)
15
A
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