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
4.9
=
2246862999.5205
历史上次计算结果
81
4.9
=
50
2
=
9.2
2159.6
=
40.7
5.9
=
50
2852.2
=
101.8
13.8
=
28.5
2.7
=
54
2
=
74
8
=
9.2
0.8
=
102.1
4.3
=
12.9
2163.8
=
10.8
9
=
66.7
10.9
=
16
9.5
=
28.7
2.7
=
50.7
2.7
=
89.2
8.8
=
103.8
15.5
=
9.2
10
=
82.3
9.9
=
45.3
7.4
=
20.9
6.3
=
20.8
6.2
=
8
3.2
=
59.1
11.5
=
84.4
6.3
=
134.6
14.1
=
66.2
6
=
101.7
13.8
=
附近的結果
81
4
=
81
4.1
=
81
4.2
=
81
4.3
=
81
4.4
=
81
4.5
=
81
4.6
=
81
4.7
=
81
4.8
=
81
4.9
=
81
5
=
81.1
4
=
81.1
4.1
=
81.1
4.2
=
81.1
4.3
=
81.1
4.4
=
81.1
4.5
=
81.1
4.6
=
81.1
4.7
=
81.1
4.8
=
81.1
4.9
=
81.1
5
=
81.2
4
=
81.2
4.1
=
81.2
4.2
=
81.2
4.3
=
81.2
4.4
=
81.2
4.5
=
81.2
4.6
=
81.2
4.7
=
81.2
4.8
=
81.2
4.9
=
81.2
5
=
81.3
4
=
81.3
4.1
=
81.3
4.2
=
81.3
4.3
=
81.3
4.4
=
81.3
4.5
=
81.3
4.6
=
81.3
4.7
=
81.3
4.8
=
81.3
4.9
=
81.3
5
=
81.4
4
=
81.4
4.1
=
81.4
4.2
=
81.4
4.3
=
81.4
4.4
=
81.4
4.5
=
81.4
4.6
=
81.4
4.7
=
81.4
4.8
=
81.4
4.9
=
81.4
5
=
81.5
4
=
81.5
4.1
=
81.5
4.2
=
81.5
4.3
=
81.5
4.4
=
81.5
4.5
=
81.5
4.6
=
81.5
4.7
=
81.5
4.8
=
81.5
4.9
=
81.5
5
=
81.6
4
=
81.6
4.1
=
81.6
4.2
=
81.6
4.3
=
81.6
4.4
=
81.6
4.5
=
81.6
4.6
=
81.6
4.7
=
81.6
4.8
=
81.6
4.9
=
81.6
5
=
81.7
4
=
81.7
4.1
=
81.7
4.2
=
81.7
4.3
=
81.7
4.4
=
81.7
4.5
=
81.7
4.6
=
81.7
4.7
=
81.7
4.8
=
81.7
4.9
=
81.7
5
=
81.8
4
=
81.8
4.1
=
81.8
4.2
=
81.8
4.3
=
81.8
4.4
=
81.8
4.5
=
81.8
4.6
=
81.8
4.7
=
81.8
4.8
=
81.8
4.9
=
81.8
5
=
81.9
4
=
81.9
4.1
=
81.9
4.2
=
81.9
4.3
=
81.9
4.4
=
81.9
4.5
=
81.9
4.6
=
81.9
4.7
=
81.9
4.8
=
81.9
4.9
=
81.9
5
=
82
4
=
82
4.1
=
82
4.2
=
82
4.3
=
82
4.4
=
82
4.5
=
82
4.6
=
82
4.7
=
82
4.8
=
82
4.9
=
82
5
=