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!
31
8.1
=
1202346711948.5
历史上次计算结果
31
8.1
=
58.8
11.2
=
21.6
8.9
=
21.5
8.4
=
18.4
5.6
=
39.6
18.1
=
81.3
5.1
=
76.2
3.2
=
28.7
6.4
=
9.5
6.2
=
9.3
2155.8
=
38.6
14.9
=
81.6
5.7
=
49.7
9.5
=
34.3
19.4
=
32
9.9
=
95.8
14.1
=
4.7
12.2
=
27.7
9.4
=
54.2
4.7
=
47.2
2.8
=
27.3
20.4
=
5.8
20.2
=
87.5
1.9
=
52.5
1.8
=
115.3
13.1
=
21.5
8.1
=
21.6
8.2
=
32.6
10.3
=
90.1
19.8
=
附近的結果
31
8
=
31
8.1
=
31
8.2
=
31
8.3
=
31
8.4
=
31
8.5
=
31
8.6
=
31
8.7
=
31
8.8
=
31
8.9
=
31
9
=
31.1
8
=
31.1
8.1
=
31.1
8.2
=
31.1
8.3
=
31.1
8.4
=
31.1
8.5
=
31.1
8.6
=
31.1
8.7
=
31.1
8.8
=
31.1
8.9
=
31.1
9
=
31.2
8
=
31.2
8.1
=
31.2
8.2
=
31.2
8.3
=
31.2
8.4
=
31.2
8.5
=
31.2
8.6
=
31.2
8.7
=
31.2
8.8
=
31.2
8.9
=
31.2
9
=
31.3
8
=
31.3
8.1
=
31.3
8.2
=
31.3
8.3
=
31.3
8.4
=
31.3
8.5
=
31.3
8.6
=
31.3
8.7
=
31.3
8.8
=
31.3
8.9
=
31.3
9
=
31.4
8
=
31.4
8.1
=
31.4
8.2
=
31.4
8.3
=
31.4
8.4
=
31.4
8.5
=
31.4
8.6
=
31.4
8.7
=
31.4
8.8
=
31.4
8.9
=
31.4
9
=
31.5
8
=
31.5
8.1
=
31.5
8.2
=
31.5
8.3
=
31.5
8.4
=
31.5
8.5
=
31.5
8.6
=
31.5
8.7
=
31.5
8.8
=
31.5
8.9
=
31.5
9
=
31.6
8
=
31.6
8.1
=
31.6
8.2
=
31.6
8.3
=
31.6
8.4
=
31.6
8.5
=
31.6
8.6
=
31.6
8.7
=
31.6
8.8
=
31.6
8.9
=
31.6
9
=
31.7
8
=
31.7
8.1
=
31.7
8.2
=
31.7
8.3
=
31.7
8.4
=
31.7
8.5
=
31.7
8.6
=
31.7
8.7
=
31.7
8.8
=
31.7
8.9
=
31.7
9
=
31.8
8
=
31.8
8.1
=
31.8
8.2
=
31.8
8.3
=
31.8
8.4
=
31.8
8.5
=
31.8
8.6
=
31.8
8.7
=
31.8
8.8
=
31.8
8.9
=
31.8
9
=
31.9
8
=
31.9
8.1
=
31.9
8.2
=
31.9
8.3
=
31.9
8.4
=
31.9
8.5
=
31.9
8.6
=
31.9
8.7
=
31.9
8.8
=
31.9
8.9
=
31.9
9
=