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NOW YOU
R
IG T
CONTINUED
91008
least
significant
digi
t
displayed when
'f
ixed
point
' display is
selected.
ln
'f
loating point' the last displayed
digit
is
not
rounded.
The following example
illust rat
es
t
he use of
t
he guard
digit
s
in
maintaining accuracy.
EXAMPLE:
divide 6.000 000 001 by 3 and then
mult
iply the
result by 3.
I
I
SWITCH:
FIXED POINT
SWITCH
:
RUN
SET
DECIMAL
9
DIGITS:
PRESS:
CLEAR
6
•
PRESS:
0
0
0
PRESS:
0
0
0
PRESS:
0
0
1
DISPLAY:
6
.
DDDDDDDD
I
~ ~t
PRESS:
t
3
•
-
•
DISPLAY:
c.
DDDDDDDDD
~
.Y
if there were
no
guard di
gits
then
,
when the x (mul
-
tiply)
key wa
s pressed,
the di splay woul? show
6 000000000 and not the 6 000000001 wht ch was
ongtnally tnserted
;
PRESS.
X
DISPLAY:
6
.
DDDDDDDD
I
~
)'
accu racy has
not
been
lost
.
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