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!
19.8
8.1
=
31841098417.798
历史上次计算结果
19.8
8.1
=
88.9
19.4
=
103.6
8.2
=
113.6
10.8
=
19.1
8.4
=
91.4
2.8
=
68.5
14.9
=
50.7
2851.6
=
19.2
8.9
=
5.5
11.6
=
40.7
5.4
=
74
17.3
=
52.1
14.5
=
107.4
9.1
=
7.4
5
=
64.1
18.7
=
13.4
7.5
=
39.8
16.5
=
66.4
6.6
=
119.8
11.4
=
82.4
8.6
=
10.6
20.3
=
112.2
16.2
=
94.8
2.6
=
83.5
5.7
=
36.5
16.9
=
36.2
16.7
=
2.9
8.3
=
33.3
4.5
=
21
14.9
=
附近的結果
19
8
=
19
8.1
=
19
8.2
=
19
8.3
=
19
8.4
=
19
8.5
=
19
8.6
=
19
8.7
=
19
8.8
=
19
8.9
=
19
9
=
19.1
8
=
19.1
8.1
=
19.1
8.2
=
19.1
8.3
=
19.1
8.4
=
19.1
8.5
=
19.1
8.6
=
19.1
8.7
=
19.1
8.8
=
19.1
8.9
=
19.1
9
=
19.2
8
=
19.2
8.1
=
19.2
8.2
=
19.2
8.3
=
19.2
8.4
=
19.2
8.5
=
19.2
8.6
=
19.2
8.7
=
19.2
8.8
=
19.2
8.9
=
19.2
9
=
19.3
8
=
19.3
8.1
=
19.3
8.2
=
19.3
8.3
=
19.3
8.4
=
19.3
8.5
=
19.3
8.6
=
19.3
8.7
=
19.3
8.8
=
19.3
8.9
=
19.3
9
=
19.4
8
=
19.4
8.1
=
19.4
8.2
=
19.4
8.3
=
19.4
8.4
=
19.4
8.5
=
19.4
8.6
=
19.4
8.7
=
19.4
8.8
=
19.4
8.9
=
19.4
9
=
19.5
8
=
19.5
8.1
=
19.5
8.2
=
19.5
8.3
=
19.5
8.4
=
19.5
8.5
=
19.5
8.6
=
19.5
8.7
=
19.5
8.8
=
19.5
8.9
=
19.5
9
=
19.6
8
=
19.6
8.1
=
19.6
8.2
=
19.6
8.3
=
19.6
8.4
=
19.6
8.5
=
19.6
8.6
=
19.6
8.7
=
19.6
8.8
=
19.6
8.9
=
19.6
9
=
19.7
8
=
19.7
8.1
=
19.7
8.2
=
19.7
8.3
=
19.7
8.4
=
19.7
8.5
=
19.7
8.6
=
19.7
8.7
=
19.7
8.8
=
19.7
8.9
=
19.7
9
=
19.8
8
=
19.8
8.1
=
19.8
8.2
=
19.8
8.3
=
19.8
8.4
=
19.8
8.5
=
19.8
8.6
=
19.8
8.7
=
19.8
8.8
=
19.8
8.9
=
19.8
9
=
19.9
8
=
19.9
8.1
=
19.9
8.2
=
19.9
8.3
=
19.9
8.4
=
19.9
8.5
=
19.9
8.6
=
19.9
8.7
=
19.9
8.8
=
19.9
8.9
=
19.9
9
=