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
20
=
1.4780882941435E+38
历史上次计算结果
81
20
=
94.9
6.7
=
9.6
3.8
=
74.9
12.6
=
6.4
9.5
=
51.4
10.3
=
101.4
11.5
=
6.6
20.8
=
48.6
7.2
=
57.7
3.1
=
50.3
12.7
=
5
15.4
=
118.4
11.1
=
32.7
7.8
=
50.7
12.5
=
9.9
20.6
=
46.1
7.7
=
89
2.6
=
32.3
7.8
=
5
20.2
=
32.5
7.2
=
50.3
12.9
=
75
4.5
=
35.6
10.6
=
32.1
7.4
=
3.4
14.2
=
88.6
2.5
=
82
20.6
=
25.4
10.7
=
91.6
5.6
=
附近的結果
81
20
=
81
20.1
=
81
20.2
=
81
20.3
=
81
20.4
=
81
20.5
=
81
20.6
=
81
20.7
=
81
20.8
=
81
20.9
=
81.1
20
=
81.1
20.1
=
81.1
20.2
=
81.1
20.3
=
81.1
20.4
=
81.1
20.5
=
81.1
20.6
=
81.1
20.7
=
81.1
20.8
=
81.1
20.9
=
81.2
20
=
81.2
20.1
=
81.2
20.2
=
81.2
20.3
=
81.2
20.4
=
81.2
20.5
=
81.2
20.6
=
81.2
20.7
=
81.2
20.8
=
81.2
20.9
=
81.3
20
=
81.3
20.1
=
81.3
20.2
=
81.3
20.3
=
81.3
20.4
=
81.3
20.5
=
81.3
20.6
=
81.3
20.7
=
81.3
20.8
=
81.3
20.9
=
81.4
20
=
81.4
20.1
=
81.4
20.2
=
81.4
20.3
=
81.4
20.4
=
81.4
20.5
=
81.4
20.6
=
81.4
20.7
=
81.4
20.8
=
81.4
20.9
=
81.5
20
=
81.5
20.1
=
81.5
20.2
=
81.5
20.3
=
81.5
20.4
=
81.5
20.5
=
81.5
20.6
=
81.5
20.7
=
81.5
20.8
=
81.5
20.9
=
81.6
20
=
81.6
20.1
=
81.6
20.2
=
81.6
20.3
=
81.6
20.4
=
81.6
20.5
=
81.6
20.6
=
81.6
20.7
=
81.6
20.8
=
81.6
20.9
=
81.7
20
=
81.7
20.1
=
81.7
20.2
=
81.7
20.3
=
81.7
20.4
=
81.7
20.5
=
81.7
20.6
=
81.7
20.7
=
81.7
20.8
=
81.7
20.9
=
81.8
20
=
81.8
20.1
=
81.8
20.2
=
81.8
20.3
=
81.8
20.4
=
81.8
20.5
=
81.8
20.6
=
81.8
20.7
=
81.8
20.8
=
81.8
20.9
=
81.9
20
=
81.9
20.1
=
81.9
20.2
=
81.9
20.3
=
81.9
20.4
=
81.9
20.5
=
81.9
20.6
=
81.9
20.7
=
81.9
20.8
=
81.9
20.9
=
82
20
=
82
20.1
=
82
20.2
=
82
20.3
=
82
20.4
=
82
20.5
=
82
20.6
=
82
20.7
=
82
20.8
=
82
20.9
=