Sharp EL-9650 Operation Manual page 287

Function
|x| < 1 × 10
X -1
|x| < 1 × 10
X 2
0 ≤ x < 1 × 10
-0.5 ≤ n ≤ 69.5
n!
When a > 0,
-1 × 10
When a = 0,
0 < b < 1 × 10
b
a (^)
When a < 0,
b is an integer or
However, -1 × 10
When b > 0,
-1 × 10
When b = 0,
0 < a < 1 × 10
When b < 0,
a is an odd number or
However, -1 × 10
nPr
0 ≤ r ≤ n ≤ 69
nCr
Calculation range
100
50
100
100
< b log a < 100
100
is an odd number (b≠0)
100
< b log |a| < 100
100
< log b < 100, a≠0
100
is an integer, (a≠0)
100
< log |b| < 100
277
APPENDIX
Notes
X ≠ 0
n is an integer or
integer + 0.5
b b•log a
a =10
1 log b
a
= 10
n and r are positive
integers