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!
20.9
13.9
=
2.2388931981818E+18
历史上次计算结果
20.9
13.9
=
54.3
8.6
=
80.9
19.7
=
31.2
4.7
=
80.8
19.7
=
43.8
7.9
=
67.1
10.2
=
46.6
14.4
=
133.5
16.9
=
49.6
12.2
=
80.7
13.9
=
50.2
14.8
=
70.6
6.2
=
48.6
12.2
=
5.8
2.1
=
15.9
16
=
57.5
8.5
=
7.5
12.5
=
12
16.8
=
69.8
4.6
=
65.4
8.3
=
4
3.9
=
27.7
13.9
=
15.4
16.5
=
46
7
=
81
14
=
89
4.3
=
7.5
15.6
=
7.1
15.7
=
10
12
=
附近的結果
20
13
=
20
13.1
=
20
13.2
=
20
13.3
=
20
13.4
=
20
13.5
=
20
13.6
=
20
13.7
=
20
13.8
=
20
13.9
=
20
14
=
20.1
13
=
20.1
13.1
=
20.1
13.2
=
20.1
13.3
=
20.1
13.4
=
20.1
13.5
=
20.1
13.6
=
20.1
13.7
=
20.1
13.8
=
20.1
13.9
=
20.1
14
=
20.2
13
=
20.2
13.1
=
20.2
13.2
=
20.2
13.3
=
20.2
13.4
=
20.2
13.5
=
20.2
13.6
=
20.2
13.7
=
20.2
13.8
=
20.2
13.9
=
20.2
14
=
20.3
13
=
20.3
13.1
=
20.3
13.2
=
20.3
13.3
=
20.3
13.4
=
20.3
13.5
=
20.3
13.6
=
20.3
13.7
=
20.3
13.8
=
20.3
13.9
=
20.3
14
=
20.4
13
=
20.4
13.1
=
20.4
13.2
=
20.4
13.3
=
20.4
13.4
=
20.4
13.5
=
20.4
13.6
=
20.4
13.7
=
20.4
13.8
=
20.4
13.9
=
20.4
14
=
20.5
13
=
20.5
13.1
=
20.5
13.2
=
20.5
13.3
=
20.5
13.4
=
20.5
13.5
=
20.5
13.6
=
20.5
13.7
=
20.5
13.8
=
20.5
13.9
=
20.5
14
=
20.6
13
=
20.6
13.1
=
20.6
13.2
=
20.6
13.3
=
20.6
13.4
=
20.6
13.5
=
20.6
13.6
=
20.6
13.7
=
20.6
13.8
=
20.6
13.9
=
20.6
14
=
20.7
13
=
20.7
13.1
=
20.7
13.2
=
20.7
13.3
=
20.7
13.4
=
20.7
13.5
=
20.7
13.6
=
20.7
13.7
=
20.7
13.8
=
20.7
13.9
=
20.7
14
=
20.8
13
=
20.8
13.1
=
20.8
13.2
=
20.8
13.3
=
20.8
13.4
=
20.8
13.5
=
20.8
13.6
=
20.8
13.7
=
20.8
13.8
=
20.8
13.9
=
20.8
14
=
20.9
13
=
20.9
13.1
=
20.9
13.2
=
20.9
13.3
=
20.9
13.4
=
20.9
13.5
=
20.9
13.6
=
20.9
13.7
=
20.9
13.8
=
20.9
13.9
=
20.9
14
=