Casio fx-7400G Appendix - Manual (Page 10)

Internal
digits
15 digits
"
"
"
"
Accuracy
As a rule,
accuracy is
±
1 at the
10th digit.
"
"
"
"
Notes Input ranges
| a |, b , c < 1
×
10 100
0 < b , c
| x | < 1
×
10 100
Sexagesimal display:
|
x | < 1
×
10 7
x > 0:
–1
×
10 100 < y log x < 100
x = 0 : y > 0
x < 0 :
y = n , ( n is an integer)
However;
–1
×
10 100 < log | x | < 100
y > 0 : x G GG GG 0
–1
×
10 100 < log y < 100
y = 0 : x > 0
y < 0 : x = 2 n +1,
( n G GG GG
0, n is an integer)
However;
–1
×
10 100 < log | y | < 100
Total of integer, numerator
and denominator must be
within 10 digits (includes di-
vision marks).
| x | < 1
×
10 50
| y | < 1
×
10 50
| n | < 1
×
10 100
x
σ
n
, y
σ
n
, x , y , a , b , c , r :
n G GG GG 0
x
σ
n –1
, y
σ
n –1
: n G GG GG 0, 1
178
Appendix
1
–––––
2 n +1
1
––
x
1
––
y
1
––
n
1
––
x
Function
°
’ ”
←
°
’ ”
^ ( x y )
x y
a b/c
STAT
* Errors may be cumulative with internal continuous calculations such as ^ ( x y ), x y , x ! , 3 x , some-
times affecting accuracy.