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!
7.5
20.9
=
1.9443766853281E+18
历史上次计算结果
7.5
20.9
=
27.6
12.4
=
50.4
20.4
=
86.7
8.4
=
7
4.6
=
114.8
15.4
=
30.4
11.2
=
31.2
19.8
=
55.2
15.7
=
37
2
=
8.6
20.5
=
29
13.9
=
25.7
13
=
3.3
7.8
=
23.3
7.5
=
160
14.2
=
108.5
13
=
83.8
7.4
=
98.9
10.2
=
90.7
4.3
=
75.4
7.3
=
23
8.7
=
90.2
5.2
=
108.3
12.9
=
90.2
5
=
67.7
9.7
=
23.6
8.9
=
50.5
20.9
=
66.4
4.9
=
42.5
15.7
=
附近的結果
7
20
=
7
20.1
=
7
20.2
=
7
20.3
=
7
20.4
=
7
20.5
=
7
20.6
=
7
20.7
=
7
20.8
=
7
20.9
=
7.1
20
=
7.1
20.1
=
7.1
20.2
=
7.1
20.3
=
7.1
20.4
=
7.1
20.5
=
7.1
20.6
=
7.1
20.7
=
7.1
20.8
=
7.1
20.9
=
7.2
20
=
7.2
20.1
=
7.2
20.2
=
7.2
20.3
=
7.2
20.4
=
7.2
20.5
=
7.2
20.6
=
7.2
20.7
=
7.2
20.8
=
7.2
20.9
=
7.3
20
=
7.3
20.1
=
7.3
20.2
=
7.3
20.3
=
7.3
20.4
=
7.3
20.5
=
7.3
20.6
=
7.3
20.7
=
7.3
20.8
=
7.3
20.9
=
7.4
20
=
7.4
20.1
=
7.4
20.2
=
7.4
20.3
=
7.4
20.4
=
7.4
20.5
=
7.4
20.6
=
7.4
20.7
=
7.4
20.8
=
7.4
20.9
=
7.5
20
=
7.5
20.1
=
7.5
20.2
=
7.5
20.3
=
7.5
20.4
=
7.5
20.5
=
7.5
20.6
=
7.5
20.7
=
7.5
20.8
=
7.5
20.9
=
7.6
20
=
7.6
20.1
=
7.6
20.2
=
7.6
20.3
=
7.6
20.4
=
7.6
20.5
=
7.6
20.6
=
7.6
20.7
=
7.6
20.8
=
7.6
20.9
=
7.7
20
=
7.7
20.1
=
7.7
20.2
=
7.7
20.3
=
7.7
20.4
=
7.7
20.5
=
7.7
20.6
=
7.7
20.7
=
7.7
20.8
=
7.7
20.9
=
7.8
20
=
7.8
20.1
=
7.8
20.2
=
7.8
20.3
=
7.8
20.4
=
7.8
20.5
=
7.8
20.6
=
7.8
20.7
=
7.8
20.8
=
7.8
20.9
=
7.9
20
=
7.9
20.1
=
7.9
20.2
=
7.9
20.3
=
7.9
20.4
=
7.9
20.5
=
7.9
20.6
=
7.9
20.7
=
7.9
20.8
=
7.9
20.9
=
8
20
=
8
20.1
=
8
20.2
=
8
20.3
=
8
20.4
=
8
20.5
=
8
20.6
=
8
20.7
=
8
20.8
=
8
20.9
=