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
2.8
=
281.94963551364
历史上次计算结果
7.5
2.8
=
6.8
2
=
9.9
0.7
=
42.7
13.9
=
72.4
18.9
=
39
9.4
=
42
11.7
=
66.4
2.9
=
11.1
2.4
=
77.9
8.9
=
16.2
13.7
=
31.4
2.7
=
42.5
11.9
=
39.8
9.2
=
115.6
14.2
=
64.8
18.1
=
104.7
16.2
=
11.9
2.4
=
64.5
18.5
=
36.4
5
=
100.5
7.2
=
3.1
4.9
=
84.3
10.8
=
72.3
18.5
=
92
1.8
=
95.7
10.4
=
13.2
0.2
=
36.6
14.3
=
45.7
8.9
=
31.7
6.4
=
附近的結果
7
2
=
7
2.1
=
7
2.2
=
7
2.3
=
7
2.4
=
7
2.5
=
7
2.6
=
7
2.7
=
7
2.8
=
7
2.9
=
7.1
2
=
7.1
2.1
=
7.1
2.2
=
7.1
2.3
=
7.1
2.4
=
7.1
2.5
=
7.1
2.6
=
7.1
2.7
=
7.1
2.8
=
7.1
2.9
=
7.2
2
=
7.2
2.1
=
7.2
2.2
=
7.2
2.3
=
7.2
2.4
=
7.2
2.5
=
7.2
2.6
=
7.2
2.7
=
7.2
2.8
=
7.2
2.9
=
7.3
2
=
7.3
2.1
=
7.3
2.2
=
7.3
2.3
=
7.3
2.4
=
7.3
2.5
=
7.3
2.6
=
7.3
2.7
=
7.3
2.8
=
7.3
2.9
=
7.4
2
=
7.4
2.1
=
7.4
2.2
=
7.4
2.3
=
7.4
2.4
=
7.4
2.5
=
7.4
2.6
=
7.4
2.7
=
7.4
2.8
=
7.4
2.9
=
7.5
2
=
7.5
2.1
=
7.5
2.2
=
7.5
2.3
=
7.5
2.4
=
7.5
2.5
=
7.5
2.6
=
7.5
2.7
=
7.5
2.8
=
7.5
2.9
=
7.6
2
=
7.6
2.1
=
7.6
2.2
=
7.6
2.3
=
7.6
2.4
=
7.6
2.5
=
7.6
2.6
=
7.6
2.7
=
7.6
2.8
=
7.6
2.9
=
7.7
2
=
7.7
2.1
=
7.7
2.2
=
7.7
2.3
=
7.7
2.4
=
7.7
2.5
=
7.7
2.6
=
7.7
2.7
=
7.7
2.8
=
7.7
2.9
=
7.8
2
=
7.8
2.1
=
7.8
2.2
=
7.8
2.3
=
7.8
2.4
=
7.8
2.5
=
7.8
2.6
=
7.8
2.7
=
7.8
2.8
=
7.8
2.9
=
7.9
2
=
7.9
2.1
=
7.9
2.2
=
7.9
2.3
=
7.9
2.4
=
7.9
2.5
=
7.9
2.6
=
7.9
2.7
=
7.9
2.8
=
7.9
2.9
=
8
2
=
8
2.1
=
8
2.2
=
8
2.3
=
8
2.4
=
8
2.5
=
8
2.6
=
8
2.7
=
8
2.8
=
8
2.9
=