Let
calc
Let
calc
百分
求冪
數的根
計算指數
什麼是數字的指數? 計算一個數的冪?
指數底
^
指數
計算!
81.5
3.9
=
28412841.856132
历史上次计算结果
81.5
3.9
=
98.7
1.5
=
29.2
5.4
=
11.9
2.4
=
25.3
2.5
=
10.2
12.6
=
35.2
9.8
=
42.7
7.2
=
34.9
19.6
=
72
2.1
=
72.1
3.3
=
84.4
11.6
=
41.1
1.8
=
30
12.7
=
5.2
4.5
=
71.8
1.5
=
55.9
11
=
15.2
5.1
=
5.3
9.2
=
105.8
7.1
=
48.4
11.2
=
21.6
15.8
=
63.4
14.4
=
8.7
6.9
=
26.9
6.1
=
120.1
12.8
=
67.9
10.5
=
81.2
16.7
=
46
13.3
=
42.4
13.2
=
附近的結果
81
3
=
81
3.1
=
81
3.2
=
81
3.3
=
81
3.4
=
81
3.5
=
81
3.6
=
81
3.7
=
81
3.8
=
81
3.9
=
81.1
3
=
81.1
3.1
=
81.1
3.2
=
81.1
3.3
=
81.1
3.4
=
81.1
3.5
=
81.1
3.6
=
81.1
3.7
=
81.1
3.8
=
81.1
3.9
=
81.2
3
=
81.2
3.1
=
81.2
3.2
=
81.2
3.3
=
81.2
3.4
=
81.2
3.5
=
81.2
3.6
=
81.2
3.7
=
81.2
3.8
=
81.2
3.9
=
81.3
3
=
81.3
3.1
=
81.3
3.2
=
81.3
3.3
=
81.3
3.4
=
81.3
3.5
=
81.3
3.6
=
81.3
3.7
=
81.3
3.8
=
81.3
3.9
=
81.4
3
=
81.4
3.1
=
81.4
3.2
=
81.4
3.3
=
81.4
3.4
=
81.4
3.5
=
81.4
3.6
=
81.4
3.7
=
81.4
3.8
=
81.4
3.9
=
81.5
3
=
81.5
3.1
=
81.5
3.2
=
81.5
3.3
=
81.5
3.4
=
81.5
3.5
=
81.5
3.6
=
81.5
3.7
=
81.5
3.8
=
81.5
3.9
=
81.6
3
=
81.6
3.1
=
81.6
3.2
=
81.6
3.3
=
81.6
3.4
=
81.6
3.5
=
81.6
3.6
=
81.6
3.7
=
81.6
3.8
=
81.6
3.9
=
81.7
3
=
81.7
3.1
=
81.7
3.2
=
81.7
3.3
=
81.7
3.4
=
81.7
3.5
=
81.7
3.6
=
81.7
3.7
=
81.7
3.8
=
81.7
3.9
=
81.8
3
=
81.8
3.1
=
81.8
3.2
=
81.8
3.3
=
81.8
3.4
=
81.8
3.5
=
81.8
3.6
=
81.8
3.7
=
81.8
3.8
=
81.8
3.9
=
81.9
3
=
81.9
3.1
=
81.9
3.2
=
81.9
3.3
=
81.9
3.4
=
81.9
3.5
=
81.9
3.6
=
81.9
3.7
=
81.9
3.8
=
81.9
3.9
=
82
3
=
82
3.1
=
82
3.2
=
82
3.3
=
82
3.4
=
82
3.5
=
82
3.6
=
82
3.7
=
82
3.8
=
82
3.9
=