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!
72.1
8
=
7.3026774319534E+14
历史上次计算结果
72.1
8
=
2.9
9.5
=
45.7
11.8
=
51.4
9.8
=
7.6
12.5
=
25.5
3.2
=
25.3
3.6
=
104.7
9
=
25.1
3.1
=
15.9
3.7
=
37
5.9
=
25.1
3.7
=
25.8
3.1
=
46.4
4
=
25
3.9
=
36.7
10.9
=
45.6
11.2
=
45
11.9
=
7.4
3.5
=
45.2
2.3
=
25.2
3.6
=
46.4
2.8
=
8
9.2
=
75.2
3.3
=
45.8
11.3
=
48.2
2.8
=
79.9
2.3
=
48.5
2.2
=
56.3
2.9
=
25.3
3
=
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
=