User`s guide

E-24
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
sin x
DEG
0  |
x |  9 × 10
9
RAD
0  |
x |  157079632.7
GRA
0  |
x |  1 × 10
10
cos x
DEG
0  |
x |  9 × 10
9
RAD
0  |
x |  157079632.7
GRA
0  |
x |  1 × 10
10
tan x
DEG
Same as sin
x , except when | x | = (2 n –1) × 90.
RAD
Same as sin
x , except when | x | = (2 n –1) × π /2.
GRA
Same as sin
x , except when | x | = (2 n –1) × 100.
sin
–1
x
0  | x |  1
cos
–1
x
tan
–1
x
0  | x |  9.999999999 × 10
99
sinh x
0  | x |  230.2585092
cosh
x
sinh
–1
x
0  | x |  4.999999999 × 10
99
cosh
–1
x
1  x  4.999999999 × 10
99
tanh x
0  | x |  9.999999999 × 10
99
tanh
–1
x
0  | x |  9.999999999 × 10
–1
log x /ln x
0  x  9.999999999 × 10
99
10
x
–9.999999999 × 10
99
 x  99.99999999
e
x
–9.999999999 × 10
99
 x  230.2585092
'
x
0 
x  1 × 10
100
x
2
| x |  1 × 10
50
x
–1
| x |  1 × 10
100
; x G 0
3
'x
| x |  1 × 10
100
x !
0 
x  69 ( x is an integer)
n P r
0 
n  1 × 10
10
, 0  r  n ( n , r are integers)
1  { n !/( n – r )!}  1 × 10
100
n C r
0 
n  1 × 10
10
, 0  r  n ( n , r are integers)
1  n !/ r !  1 × 10
100
or 1  n !/( n – r )!  1 × 10
100