Casio fx-250HC User Manual page 32

Functions
x
e
x
2
x
1/x
3
x
x!
nPr/nCr
R→P
P→R
°' "
x y
 x
100
–1 10
x  1
0
x  1
50
10
x  1
100
10
x  1
100
10
0 69 (x is an integer)
x
0
r n
n 1 10
10
(n and r are integers)
1 10
2 2
x y
r  1 10
0
(DEG) 9 10
5 10
(RAD)
(GRA) 1 10
Sexagesimal: a , b, c10
Decimal: x
x Œ 0: –1 10
0: y Π0
x
x  0: y
n;
However: –1 10
Input Range
230.2585092
100
10
; x ≠ 0
100
100
9
rad
7
grad
10
2.777777777 10
 y log x 100
100
1
(n is an integer)
2n 1
 y log x 100
100
— 30 —
However, for tan :
≠ 90(2n 1):DEG
2·(2n 1):RAD
≠
≠ 100(2n 1):GRA
100
0 b, c
96