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!
72.8
8.4
=
4.3843335436628E+15
历史上次计算结果
72.8
8.4
=
90.4
11.6
=
35.3
5.5
=
21.1
10.9
=
29.3
2.5
=
52.1
4.7
=
97
12.9
=
24.8
9.7
=
28.7
13.8
=
72.3
8.3
=
56.3
2.2
=
68
16.3
=
16
2160.1
=
85.9
8.9
=
45.9
8.4
=
45.6
8.4
=
90
6.8
=
77.1
8
=
89.5
7
=
94.3
11.8
=
5.2
6.3
=
8.8
3.8
=
57.3
5.1
=
105
13.8
=
2.4
6.7
=
90.1
6.1
=
50.8
12.5
=
83.7
13.1
=
61.2
16.9
=
14.2
20.6
=
附近的結果
72
8
=
72
8.1
=
72
8.2
=
72
8.3
=
72
8.4
=
72
8.5
=
72
8.6
=
72
8.7
=
72
8.8
=
72
8.9
=
72
9
=
72.1
8
=
72.1
8.1
=
72.1
8.2
=
72.1
8.3
=
72.1
8.4
=
72.1
8.5
=
72.1
8.6
=
72.1
8.7
=
72.1
8.8
=
72.1
8.9
=
72.1
9
=
72.2
8
=
72.2
8.1
=
72.2
8.2
=
72.2
8.3
=
72.2
8.4
=
72.2
8.5
=
72.2
8.6
=
72.2
8.7
=
72.2
8.8
=
72.2
8.9
=
72.2
9
=
72.3
8
=
72.3
8.1
=
72.3
8.2
=
72.3
8.3
=
72.3
8.4
=
72.3
8.5
=
72.3
8.6
=
72.3
8.7
=
72.3
8.8
=
72.3
8.9
=
72.3
9
=
72.4
8
=
72.4
8.1
=
72.4
8.2
=
72.4
8.3
=
72.4
8.4
=
72.4
8.5
=
72.4
8.6
=
72.4
8.7
=
72.4
8.8
=
72.4
8.9
=
72.4
9
=
72.5
8
=
72.5
8.1
=
72.5
8.2
=
72.5
8.3
=
72.5
8.4
=
72.5
8.5
=
72.5
8.6
=
72.5
8.7
=
72.5
8.8
=
72.5
8.9
=
72.5
9
=
72.6
8
=
72.6
8.1
=
72.6
8.2
=
72.6
8.3
=
72.6
8.4
=
72.6
8.5
=
72.6
8.6
=
72.6
8.7
=
72.6
8.8
=
72.6
8.9
=
72.6
9
=
72.7
8
=
72.7
8.1
=
72.7
8.2
=
72.7
8.3
=
72.7
8.4
=
72.7
8.5
=
72.7
8.6
=
72.7
8.7
=
72.7
8.8
=
72.7
8.9
=
72.7
9
=
72.8
8
=
72.8
8.1
=
72.8
8.2
=
72.8
8.3
=
72.8
8.4
=
72.8
8.5
=
72.8
8.6
=
72.8
8.7
=
72.8
8.8
=
72.8
8.9
=
72.8
9
=
72.9
8
=
72.9
8.1
=
72.9
8.2
=
72.9
8.3
=
72.9
8.4
=
72.9
8.5
=
72.9
8.6
=
72.9
8.7
=
72.9
8.8
=
72.9
8.9
=
72.9
9
=
73
8
=
73
8.1
=
73
8.2
=
73
8.3
=
73
8.4
=
73
8.5
=
73
8.6
=
73
8.7
=
73
8.8
=
73
8.9
=
73
9
=