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!
7.8
8
=
13701143.706831
历史上次计算结果
37.3
7.8
=
7.8
8
=
15.2
7
=
8.4
14.4
=
9.4
5
=
49.7
11
=
58.1
10
=
18.4
10.8
=
25.6
2.2
=
81.7
13.5
=
16.1
8.6
=
99.2
11.3
=
94.1
15.1
=
16.7
8.8
=
33.5
10.4
=
14.8
9.9
=
28.3
7.2
=
29.2
11.7
=
29.9
4.7
=
101.1
2.3
=
90.4
11.3
=
26.4
13.9
=
47.1
15.7
=
93.5
14.8
=
92.4
2.8
=
97.4
9.2
=
12.3
6.7
=
2.6
6.4
=
97.5
9.1
=
80.9
3
=
附近的結果
7
8
=
7
8.1
=
7
8.2
=
7
8.3
=
7
8.4
=
7
8.5
=
7
8.6
=
7
8.7
=
7
8.8
=
7
8.9
=
7
9
=
7.1
8
=
7.1
8.1
=
7.1
8.2
=
7.1
8.3
=
7.1
8.4
=
7.1
8.5
=
7.1
8.6
=
7.1
8.7
=
7.1
8.8
=
7.1
8.9
=
7.1
9
=
7.2
8
=
7.2
8.1
=
7.2
8.2
=
7.2
8.3
=
7.2
8.4
=
7.2
8.5
=
7.2
8.6
=
7.2
8.7
=
7.2
8.8
=
7.2
8.9
=
7.2
9
=
7.3
8
=
7.3
8.1
=
7.3
8.2
=
7.3
8.3
=
7.3
8.4
=
7.3
8.5
=
7.3
8.6
=
7.3
8.7
=
7.3
8.8
=
7.3
8.9
=
7.3
9
=
7.4
8
=
7.4
8.1
=
7.4
8.2
=
7.4
8.3
=
7.4
8.4
=
7.4
8.5
=
7.4
8.6
=
7.4
8.7
=
7.4
8.8
=
7.4
8.9
=
7.4
9
=
7.5
8
=
7.5
8.1
=
7.5
8.2
=
7.5
8.3
=
7.5
8.4
=
7.5
8.5
=
7.5
8.6
=
7.5
8.7
=
7.5
8.8
=
7.5
8.9
=
7.5
9
=
7.6
8
=
7.6
8.1
=
7.6
8.2
=
7.6
8.3
=
7.6
8.4
=
7.6
8.5
=
7.6
8.6
=
7.6
8.7
=
7.6
8.8
=
7.6
8.9
=
7.6
9
=
7.7
8
=
7.7
8.1
=
7.7
8.2
=
7.7
8.3
=
7.7
8.4
=
7.7
8.5
=
7.7
8.6
=
7.7
8.7
=
7.7
8.8
=
7.7
8.9
=
7.7
9
=
7.8
8
=
7.8
8.1
=
7.8
8.2
=
7.8
8.3
=
7.8
8.4
=
7.8
8.5
=
7.8
8.6
=
7.8
8.7
=
7.8
8.8
=
7.8
8.9
=
7.8
9
=
7.9
8
=
7.9
8.1
=
7.9
8.2
=
7.9
8.3
=
7.9
8.4
=
7.9
8.5
=
7.9
8.6
=
7.9
8.7
=
7.9
8.8
=
7.9
8.9
=
7.9
9
=
8
8
=
8
8.1
=
8
8.2
=
8
8.3
=
8
8.4
=
8
8.5
=
8
8.6
=
8
8.7
=
8
8.8
=
8
8.9
=
8
9
=