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Function keys
@ W
F
@ G
@ I
( )
Calculation Ranges
• Within the ranges specifi ed, this calculator is
accurate to
However, a calculation error increases in
continuous calculations due to accumulation of
each calculation error. (This is the same for
x
r, n!, e
x
, ln, Matrix/List calculations, etc., where
continuous calculations are performed internally.)
Additionally, a calculation error will accumulate
and become larger in the vicinity of infl ection
points and singular points of functions.
• Calculation ranges
±
−
99
10
to
If the absolute value of an entry or a fi nal or
intermediate result of a calculation is less than 10
the value is considered to be 0 in calculations and in
the display.
Display of results using r
Calculation results may be displayed using r when all
of the following conditions are met:
• When intermediate and fi nal calculation results are
displayed in the following form:
a P b
±
±
⎯
e
• When each coeffi cient falls into the following ranges:
≤
<
1
a
100; 1
≤
<
1
d
1,000; 1
• When the number of terms in the intermediate and
fi nal calculation results is one or two.
Note: The result of two fractional terms that include r
will be reduced to a common denominator.
±
1 of the 10th digit of the mantissa.
±
9.999999999
c P d
⎯
f
<
<
b
1,000; 0
≤
<
e
Display
|
□
|
□
□
dx
□
d (
)
|
□
⎯
x =
x
d
□
□
∑
(
□
)
x
□
=
(
)
×
99
10
and 0.
≤
c
≤
100; 1
f
Buffer space
5
9
7
9
4
<
100;
<
100
x
y
,
−
99
,
E-66
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