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!
39.8
8.5
=
39719713991721
历史上次计算结果
39.8
8.5
=
37.8
7
=
97
7.8
=
5.3
8.5
=
20.5
9.3
=
122.1
12.8
=
7
12.9
=
148
15.8
=
80.8
19.9
=
68.4
4.5
=
80.7
19.7
=
10.7
3.1
=
88.9
4.3
=
14.5
14.3
=
29.7
9.9
=
38.4
16.6
=
69.6
4.9
=
7.5
12.3
=
2.3
8.3
=
4
18.1
=
25
7.2
=
8.9
2157.6
=
7.9
1840
=
6.9
16.1
=
8.6
7.5
=
67
11.1
=
70.3
6.7
=
6.6
16.5
=
40.6
6.9
=
90.2
10.5
=
附近的結果
39
8
=
39
8.1
=
39
8.2
=
39
8.3
=
39
8.4
=
39
8.5
=
39
8.6
=
39
8.7
=
39
8.8
=
39
8.9
=
39
9
=
39.1
8
=
39.1
8.1
=
39.1
8.2
=
39.1
8.3
=
39.1
8.4
=
39.1
8.5
=
39.1
8.6
=
39.1
8.7
=
39.1
8.8
=
39.1
8.9
=
39.1
9
=
39.2
8
=
39.2
8.1
=
39.2
8.2
=
39.2
8.3
=
39.2
8.4
=
39.2
8.5
=
39.2
8.6
=
39.2
8.7
=
39.2
8.8
=
39.2
8.9
=
39.2
9
=
39.3
8
=
39.3
8.1
=
39.3
8.2
=
39.3
8.3
=
39.3
8.4
=
39.3
8.5
=
39.3
8.6
=
39.3
8.7
=
39.3
8.8
=
39.3
8.9
=
39.3
9
=
39.4
8
=
39.4
8.1
=
39.4
8.2
=
39.4
8.3
=
39.4
8.4
=
39.4
8.5
=
39.4
8.6
=
39.4
8.7
=
39.4
8.8
=
39.4
8.9
=
39.4
9
=
39.5
8
=
39.5
8.1
=
39.5
8.2
=
39.5
8.3
=
39.5
8.4
=
39.5
8.5
=
39.5
8.6
=
39.5
8.7
=
39.5
8.8
=
39.5
8.9
=
39.5
9
=
39.6
8
=
39.6
8.1
=
39.6
8.2
=
39.6
8.3
=
39.6
8.4
=
39.6
8.5
=
39.6
8.6
=
39.6
8.7
=
39.6
8.8
=
39.6
8.9
=
39.6
9
=
39.7
8
=
39.7
8.1
=
39.7
8.2
=
39.7
8.3
=
39.7
8.4
=
39.7
8.5
=
39.7
8.6
=
39.7
8.7
=
39.7
8.8
=
39.7
8.9
=
39.7
9
=
39.8
8
=
39.8
8.1
=
39.8
8.2
=
39.8
8.3
=
39.8
8.4
=
39.8
8.5
=
39.8
8.6
=
39.8
8.7
=
39.8
8.8
=
39.8
8.9
=
39.8
9
=
39.9
8
=
39.9
8.1
=
39.9
8.2
=
39.9
8.3
=
39.9
8.4
=
39.9
8.5
=
39.9
8.6
=
39.9
8.7
=
39.9
8.8
=
39.9
8.9
=
39.9
9
=