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!
20.5
8
=
31191114176.254
历史上次计算结果
20.5
8
=
54.7
8.3
=
27.4
9.9
=
57.2
3.3
=
1.1
8
=
15.8
16.3
=
78.8
7.5
=
36.1
14.9
=
89.4
4.1
=
12
16.8
=
30.9
7.4
=
14.5
2162.1
=
14.9
14.2
=
97.2
6.6
=
31.6
11
=
70.6
15.8
=
89.9
14.9
=
101.1
9.6
=
20.7
8.5
=
104.1
12
=
122
12.8
=
87
9.3
=
6.8
4.2
=
83.8
9
=
5.7
5.5
=
24.4
7.1
=
62.5
15.1
=
97.6
6.9
=
44.1
4.8
=
7.7
12.5
=
附近的結果
20
8
=
20
8.1
=
20
8.2
=
20
8.3
=
20
8.4
=
20
8.5
=
20
8.6
=
20
8.7
=
20
8.8
=
20
8.9
=
20
9
=
20.1
8
=
20.1
8.1
=
20.1
8.2
=
20.1
8.3
=
20.1
8.4
=
20.1
8.5
=
20.1
8.6
=
20.1
8.7
=
20.1
8.8
=
20.1
8.9
=
20.1
9
=
20.2
8
=
20.2
8.1
=
20.2
8.2
=
20.2
8.3
=
20.2
8.4
=
20.2
8.5
=
20.2
8.6
=
20.2
8.7
=
20.2
8.8
=
20.2
8.9
=
20.2
9
=
20.3
8
=
20.3
8.1
=
20.3
8.2
=
20.3
8.3
=
20.3
8.4
=
20.3
8.5
=
20.3
8.6
=
20.3
8.7
=
20.3
8.8
=
20.3
8.9
=
20.3
9
=
20.4
8
=
20.4
8.1
=
20.4
8.2
=
20.4
8.3
=
20.4
8.4
=
20.4
8.5
=
20.4
8.6
=
20.4
8.7
=
20.4
8.8
=
20.4
8.9
=
20.4
9
=
20.5
8
=
20.5
8.1
=
20.5
8.2
=
20.5
8.3
=
20.5
8.4
=
20.5
8.5
=
20.5
8.6
=
20.5
8.7
=
20.5
8.8
=
20.5
8.9
=
20.5
9
=
20.6
8
=
20.6
8.1
=
20.6
8.2
=
20.6
8.3
=
20.6
8.4
=
20.6
8.5
=
20.6
8.6
=
20.6
8.7
=
20.6
8.8
=
20.6
8.9
=
20.6
9
=
20.7
8
=
20.7
8.1
=
20.7
8.2
=
20.7
8.3
=
20.7
8.4
=
20.7
8.5
=
20.7
8.6
=
20.7
8.7
=
20.7
8.8
=
20.7
8.9
=
20.7
9
=
20.8
8
=
20.8
8.1
=
20.8
8.2
=
20.8
8.3
=
20.8
8.4
=
20.8
8.5
=
20.8
8.6
=
20.8
8.7
=
20.8
8.8
=
20.8
8.9
=
20.8
9
=
20.9
8
=
20.9
8.1
=
20.9
8.2
=
20.9
8.3
=
20.9
8.4
=
20.9
8.5
=
20.9
8.6
=
20.9
8.7
=
20.9
8.8
=
20.9
8.9
=
20.9
9
=