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E-48
k Calculation Ranges, Number of Digits, and
Precision
The calculation range, number of digits used for internal calculation, and calculation
precision depends on the type of calculation you are performing.
Calculation Range and Precision
Calculation Range ±1 × 10
–99
to ±9.999999999 × 10
99
or 0
Number of Digits for Internal
Calculation
15 digits
Precision 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.
Function Calculation Input Ranges and Precision
Functions Input Range
sinx DEG 0Ϲ ȊxȊ Ͻ9҂
10
9
RAD 0Ϲ ȊxȊ Ͻ157079632.7
GRA 0Ϲ ȊxȊ Ͻ1҂
10
10
cosx DEG 0Ϲ ȊxȊ Ͻ9҂
10
9
RAD 0Ϲ ȊxȊ Ͻ157079632.7
GRA 0Ϲ ȊxȊ Ͻ1҂
10
10
tanx DEG Same as sinx, except whenȊxȊ= (2n–1)҂90.
RAD Same as sinx, except whenȊxȊ= (2n–1)҂π/2.
GRA Same as sinx, except whenȊxȊ= (2n–1)҂
100
.
sin
–1
x
0Ϲ ȊxȊ Ϲ1
cos
–1
x
tan
–1
x 0Ϲ ȊxȊ Ϲ9.999999999҂
10
99
sinhx
0Ϲ ȊxȊ Ϲ230.2585092
coshx
sinh
–1
x 0Ϲ ȊxȊ Ϲ4.999999999҂10
99
cosh
–1
x 1Ϲ x Ϲ4.999999999҂10
99
tanhx 0Ϲ ȊxȊ Ϲ9.999999999҂10
99
tanh
–1
x 0Ϲ ȊxȊ Ϲ9.999999999҂10
–1
logx/lnx 0 x Ϲ9.999999999҂10
99
10
x
–9.999999999҂
10
99
Ϲ x Ϲ 99.99999999
e
x
–9.999999999҂
10
99
Ϲ x Ϲ 230.2585092
'x 0Ϲ x 1 ҂
10
100
x
2
ȊxȊ 1҂
10
50
1/x ȊxȊ 1҂
10
100
;
x G
0
3
'x ȊxȊ 1҂
10
100
x!0Ϲ x Ϲ
69 (
x is an integer)
nPr
0Ϲ n 1҂10
10
, 0Ϲ r Ϲ n (n, r are integers)
1Ϲ {n!/(n–r)!} 1҂10
100
nCr
0Ϲ n 1҂10
10
, 0Ϲ r Ϲ n (n, r are integers)
1Ϲ n!/r! 1҂10
100
or 1Ϲ n!/(n–r)! 1҂10
100