Casio FX-7400GII - SOFTWARE VERSION 2-00 User Manual

A-5
2. Input Ranges
Function
Input range for real
number solutions
Internal
digits
Precision Notes
sin
x
cosx
tanx
(DEG) |x| < 9 s (10
9
)°
(RAD) |
x| < 5 s 10
7
Prad
(GRA) |
x| < 1 s 10
10
grad
15 digits
As a rule,
precision is
p1 at the
10th digit.*
However, for tan
x :
|
x| x 90(2n+1): DEG
|x| xP/2(2n+1): RAD
|x| x 100(2n+1): GRA
sin
–1
x
cos
–1
x
tan
–1
x
|x|  1
""
|
x| < 1 s 10
100
sinhx
coshx
tanhx
|x|  230.9516564
""
|
x| < 1 s10
100
sinh
–1
x
cosh
–1
x
tanh
–1
x
|x| < 1 s 10
100
""
1 
x < 1 s 10
100
|x| < 1
log
x
Inx
1 s 10
–99
 x < 1 s 10
100
""
• Complex numbers can be
used as arguments.
10
x
e
x
–1 s 10
100
< x < 100
""
• Complex numbers can be
used as arguments.
–1 s 10
100
< x  230.2585092

x
x
2
0  x < 1 s 10
100
""
• Complex numbers can be
used as arguments.
|x| < 1 s 10
50
1/x
3

x
|x| < 1 s 10
100
, x x 0
""
• Complex numbers can be
used as arguments.
|x| < 1 s 10
100
x!
0 
x  69
(x is an integer)
""
nPr
n
Cr
Result < 1 s 10
100
n, r (n and r are integers)
0  r  n, n < 1 s 10
10
""
Pol (
x, y) x
2
+ y
2
< 1 × 10
100
""
Rec
(
r , Q )
|
r| < 1 s 10
100
(DEG) | Q | < 9 s (10
9
)°
(RAD) |
Q | < 5 s 10
7
P rad
(GRA) | Q | < 1 s 10
10
grad
""
However, for tan
Q :
| Q | x 90(2n+1): DEG
|
Q | xP/2(2n+1): RAD
| Q | x 100(2n+1): GRA

Casio FX-7400GII - SOFTWARE VERSION 2-00 Specifications

General

Model	FX-7400GII
Category	Calculator
Software Version	2-00
Display Size	128 x 64 Pixels
Graphing Capability	Yes
Programming	Yes
Display	LCD
Power Supply	AAA batteries
Memory	28 KB
Weight	200 g (including batteries)