Casio fx-250HC User Manual

— 30 —
–1
10
100
 x  230.2585092
0  x  1 
10
100
x 1 10
50
x 1 10
100
; x ≠ 0
x 1 10
100
0 x  69 ( x is an integer)
0  r n
n 110
10
(n and r are integers)
x
2
 y
2
110
100
Input RangeFunctions
e
x
x
x
2
1/x
3
x
x!
nPr/nCr
R→P
P→R
°’ ”
x
y
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
 y log x100
Sexagesimal: a, b, c10
100
0  b, c
Decimal: x 2.77777777710
96
0  r  110
100
(DEG)910
9
(RAD)510
7
 rad
(GRA)110
10
grad
However, for tan
 :
≠ 90(2n1):DEG
≠ 2·(2n1):RAD
≠ 100(2n1):GRA
1
2n1

Casio fx-250HC Specifications

General

Brand	Casio
Model	fx-250HC
Category	Calculator
Language	English