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!
81.8
3.9
=
28822913.89363
历史上次计算结果
81.8
3.9
=
6
19.9
=
45.6
8
=
81
3
=
30
10.5
=
5.7
19.7
=
13.6
6.5
=
9.4
9.2
=
5.9
3.1
=
12.4
19.3
=
46
3.8
=
76.7
18.2
=
133
11.1
=
38.6
12.9
=
68.4
4.9
=
68.7
4.4
=
113.9
11.3
=
103
1.7
=
15.6
2214.9
=
30.6
8.8
=
68.5
4.7
=
68.1
4.6
=
117.5
15.5
=
88.4
16.7
=
93.6
7.9
=
21
7
=
158.1
16.4
=
9.4
9.1
=
77.1
2.9
=
118.7
10.3
=
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
=