Sharp EL-9900 - Manual (Page 252)

242
Appendix
ln x
log x
e x
10 x
x - 1
x 2
x
n!
a b (^)
b
a
nPr
nCr
dec
bin
oct
hex
Function Calculation range Notes
ln x = log
e
x
e
.=. 2.71828...
x ≠ 0
n is an integer or
integer + 0.5
a b = 10 b·log a
b
a = 10
1
a
log b
n and r are positive
integers
x is an integer
1
×
10 - 99 ≤ x < 1 Ч
10 100
- 1
Ч
10 100 < x ≤ 230.2585092
- 1
×
10 100 < x < 100
|x| < 1
×
10 100
|x| < 1
×
10 50
0 ≤ x < 1 ×
10 100
- 0.5 ≤ n ≤ 69.5
When a > 0:
- 1
×
10 100 < b log a < 100
When a = 0:
0 < b < 1
×
10 100
When a < 0:
b is an integer, or
1
b
is an odd number (b ≠ 0)
However, - 1
×
10 100 < b log |a| < 100
When b > 0:
- 1
×
10 100 <
1
a
log b < 100, a ≠ 0
When b = 0:
0 < a < 1
×
10 100
When b < 0:
a is an odd number, or
1
a
is an integer (a ≠ 0)
However, - 1
×
10 100 <
1
a
log |b| < 100
0 ≤ r ≤ n ≤ 69
Decimal: |x| ≤ 9999999999
Binary: 1000000000000000
≤ x
≤ 1111111111111111
0 ≤ x ≤ 0111111111111111
Octal: 4000000000 ≤ x ≤ 7777777777
0 ≤ x ≤ 3777777777
Hexadecimal: FDABF41C01
≤ x ≤ FFFFFFFFFF
0
≤ x ≤ 2540BE3FF