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
4.9
=
19399.931238872
历史上次计算结果
7.5
4.9
=
86.7
1.9
=
23.2
12.2
=
46.9
12.5
=
85.2
8.8
=
79.4
15.3
=
85
8.7
=
24.2
9.1
=
69.4
9.3
=
92.4
5.6
=
59.9
7.4
=
90.2
11.3
=
57.2
9.5
=
96.3
7.2
=
96.7
6.8
=
9.1
20.1
=
91.4
5.6
=
110.6
15.4
=
16.4
8.4
=
45.4
12.9
=
69.5
9.8
=
14.3
2162.4
=
67.4
5.1
=
96.6
8.7
=
34.4
13.2
=
8.3
11.7
=
34.9
13.5
=
7.9
7.5
=
6.2
14.1
=
68.9
13.9
=
附近的結果
7
4
=
7
4.1
=
7
4.2
=
7
4.3
=
7
4.4
=
7
4.5
=
7
4.6
=
7
4.7
=
7
4.8
=
7
4.9
=
7
5
=
7.1
4
=
7.1
4.1
=
7.1
4.2
=
7.1
4.3
=
7.1
4.4
=
7.1
4.5
=
7.1
4.6
=
7.1
4.7
=
7.1
4.8
=
7.1
4.9
=
7.1
5
=
7.2
4
=
7.2
4.1
=
7.2
4.2
=
7.2
4.3
=
7.2
4.4
=
7.2
4.5
=
7.2
4.6
=
7.2
4.7
=
7.2
4.8
=
7.2
4.9
=
7.2
5
=
7.3
4
=
7.3
4.1
=
7.3
4.2
=
7.3
4.3
=
7.3
4.4
=
7.3
4.5
=
7.3
4.6
=
7.3
4.7
=
7.3
4.8
=
7.3
4.9
=
7.3
5
=
7.4
4
=
7.4
4.1
=
7.4
4.2
=
7.4
4.3
=
7.4
4.4
=
7.4
4.5
=
7.4
4.6
=
7.4
4.7
=
7.4
4.8
=
7.4
4.9
=
7.4
5
=
7.5
4
=
7.5
4.1
=
7.5
4.2
=
7.5
4.3
=
7.5
4.4
=
7.5
4.5
=
7.5
4.6
=
7.5
4.7
=
7.5
4.8
=
7.5
4.9
=
7.5
5
=
7.6
4
=
7.6
4.1
=
7.6
4.2
=
7.6
4.3
=
7.6
4.4
=
7.6
4.5
=
7.6
4.6
=
7.6
4.7
=
7.6
4.8
=
7.6
4.9
=
7.6
5
=
7.7
4
=
7.7
4.1
=
7.7
4.2
=
7.7
4.3
=
7.7
4.4
=
7.7
4.5
=
7.7
4.6
=
7.7
4.7
=
7.7
4.8
=
7.7
4.9
=
7.7
5
=
7.8
4
=
7.8
4.1
=
7.8
4.2
=
7.8
4.3
=
7.8
4.4
=
7.8
4.5
=
7.8
4.6
=
7.8
4.7
=
7.8
4.8
=
7.8
4.9
=
7.8
5
=
7.9
4
=
7.9
4.1
=
7.9
4.2
=
7.9
4.3
=
7.9
4.4
=
7.9
4.5
=
7.9
4.6
=
7.9
4.7
=
7.9
4.8
=
7.9
4.9
=
7.9
5
=
8
4
=
8
4.1
=
8
4.2
=
8
4.3
=
8
4.4
=
8
4.5
=
8
4.6
=
8
4.7
=
8
4.8
=
8
4.9
=
8
5
=