Casio fx-7400G Appendix - Manual (Page 9)

177
Function
sin x
cos x
tan x
sin –1 x
cos –1 x
tan –1 x
log x
In x
10 x
e x
x
x 2
1/ x
3 x
x !
n P r
n C r
Pol ( x , y )
Rec
( r ,
θ
)
Internal
digits
15 digits
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Accuracy
As a rule,
accuracy is
±
1 at the
10th digit.
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Notes
However, for tan x :
| x | G GG GG 90(2 n +1):DEG
| x | G GG GG π
/2(2 n +1):RAD
| x | G GG GG 100(2 n +1):GRA
Input ranges
(DEG) | x | < 9
×
10 9
°
(RAD) | x | < 5
×
10 7
π
rad
(GRA) | x | < 1
×
10 10 grad
| x | < 1
| x | < 1
Ч
10 100
1
Ч
10 –99 < x < 1
Ч
10 100
–1
Ч
10 100 < x < 100
–1
×
10 100
< x < 230.2585092
0 < x < 1
×
10 100
| x | <1
×
10 50
| x | < 1
×
10 100 , x G GG GG 0
| x | < 1
×
10 100
0 < x < 69
( x is an integer)
Result < 1
×
10 100
n , r ( n and r are integers)
0 < r < n ,
n < 1
×
10 10
< 1
×
10 100 x 2 + y 2
| r | < 1
×
10 100
(DEG) |
θ
| < 9
×
10 9 °
(RAD) |
θ
| < 5
×
10 7
π
rad
(GRA) |
θ
| < 1
×
10 10 grad
Appendix D Input Ranges
177
Appendix
However, for tan
θ
:
|
θ
| G GG GG 90(2 n +1):DEG
|
θ
| G GG GG π
/2(2 n +1):RAD
|
θ
| G GG GG 100(2 n +1):GRA