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
4.1
=
4545.5649856136
历史上次计算结果
7.8
4.1
=
6.9
5.4
=
105.1
16.8
=
72.7
19.5
=
46.8
15.6
=
93.3
14.9
=
79.3
15
=
34.8
12.3
=
108.5
15
=
73.6
16.9
=
91.2
13.8
=
73.9
17.9
=
64.1
8.2
=
62.1
14.7
=
34.5
12.3
=
55.5
15
=
21.9
2.7
=
21.1
2
=
56.4
3
=
94.6
13
=
88
13.2
=
101.9
10.8
=
8.1
4
=
91.7
13.2
=
47.8
16.4
=
59
13.2
=
37.5
14.3
=
73.1
15.2
=
42
11.9
=
6.1
3.9
=
附近的結果
7
4
=
7
4.1
=
7
4.2
=
7
4.3
=
7
4.4
=
7
4.5
=
7
4.6
=
7
4.7
=
7
4.8
=
7
4.9
=
7
5
=
7.1
4
=
7.1
4.1
=
7.1
4.2
=
7.1
4.3
=
7.1
4.4
=
7.1
4.5
=
7.1
4.6
=
7.1
4.7
=
7.1
4.8
=
7.1
4.9
=
7.1
5
=
7.2
4
=
7.2
4.1
=
7.2
4.2
=
7.2
4.3
=
7.2
4.4
=
7.2
4.5
=
7.2
4.6
=
7.2
4.7
=
7.2
4.8
=
7.2
4.9
=
7.2
5
=
7.3
4
=
7.3
4.1
=
7.3
4.2
=
7.3
4.3
=
7.3
4.4
=
7.3
4.5
=
7.3
4.6
=
7.3
4.7
=
7.3
4.8
=
7.3
4.9
=
7.3
5
=
7.4
4
=
7.4
4.1
=
7.4
4.2
=
7.4
4.3
=
7.4
4.4
=
7.4
4.5
=
7.4
4.6
=
7.4
4.7
=
7.4
4.8
=
7.4
4.9
=
7.4
5
=
7.5
4
=
7.5
4.1
=
7.5
4.2
=
7.5
4.3
=
7.5
4.4
=
7.5
4.5
=
7.5
4.6
=
7.5
4.7
=
7.5
4.8
=
7.5
4.9
=
7.5
5
=
7.6
4
=
7.6
4.1
=
7.6
4.2
=
7.6
4.3
=
7.6
4.4
=
7.6
4.5
=
7.6
4.6
=
7.6
4.7
=
7.6
4.8
=
7.6
4.9
=
7.6
5
=
7.7
4
=
7.7
4.1
=
7.7
4.2
=
7.7
4.3
=
7.7
4.4
=
7.7
4.5
=
7.7
4.6
=
7.7
4.7
=
7.7
4.8
=
7.7
4.9
=
7.7
5
=
7.8
4
=
7.8
4.1
=
7.8
4.2
=
7.8
4.3
=
7.8
4.4
=
7.8
4.5
=
7.8
4.6
=
7.8
4.7
=
7.8
4.8
=
7.8
4.9
=
7.8
5
=
7.9
4
=
7.9
4.1
=
7.9
4.2
=
7.9
4.3
=
7.9
4.4
=
7.9
4.5
=
7.9
4.6
=
7.9
4.7
=
7.9
4.8
=
7.9
4.9
=
7.9
5
=
8
4
=
8
4.1
=
8
4.2
=
8
4.3
=
8
4.4
=
8
4.5
=
8
4.6
=
8
4.7
=
8
4.8
=
8
4.9
=
8
5
=