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Precision
Function Calculation Input Ranges and Precision
Functions
x
sin
x
cos
x
tan
x
–1
sin
x
–1
cos
x
–1
tan
x
sinh
x
cosh
x
–1
sinh
x
–1
cosh
x
tanh
x
–1
tanh
x
x
log
/ln
x
10
x
e
'
x
x
2
x
–1
'
x
3
x
!
nPr
nCr
x
y
Pol(
,
)
r
Rec(
, θ)
B
x
0
DEG
x
0
RAD
x
0
GRA
x
0
DEG
x
0
RAD
x
0
GRA
Same as sin
DEG
Same as sin
RAD
Same as sin
GRA
x
0
1
x
0
9.999999999
x
0
230.2585092
x
0
4.999999999
x
1
4.999999999
x
0
9.999999999
x
0
9.999999999
x
0
9.999999999
–9.999999999
–9.999999999
x
100
0
1
10
x
50
1
10
x
100
1
10
;
x
100
1
10
x
x
0
69 (
is an integer)
n
10
0
1
10
n
n
r
1
{
!/(
–
)!}
n
10
0
1
10
n
r
1
!/
!
1
x
y
,
9.999999999
9.999999999
x
y
2
2
+
r
0
9.999999999
x
θ: Same as sin
In general, 1 at the 10th digit for a single
calculation. Precision for exponential
display is 1 at the least significant digit.
Errors are cumulative in the case of
consecutive calculations.
Input Range
9
9
10
157079632.7
1
10
10
9
9
10
157079632.7
10
1
10
x
, except when
x
, except when
x
, except when
10
99
10
99
99
10
99
10
–1
10
99
10
x
99
10
99.99999999
x
99
10
230.2585092
x
0
r
n
n
, 0
(
,
1
10
100
r
n
n
, 0
(
,
n
100
10
or 1
!/(
99
10
99
10
99
10
E-26
x
n
= (2
–1)
x
n
= (2
–1)
x
n
= (2
–1)
r
are integers)
r
are integers)
n
r
100
–
)!
1
10
90.
/2.
100.
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