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!
38.9
7.9
=
3635815614712.5
历史上次计算结果
38.9
7.9
=
20.1
9.2
=
104.5
13.8
=
22.8
15.6
=
28.5
13.8
=
13.9
15.4
=
84.5
1
=
61.4
6.9
=
25.1
6.6
=
85.8
1.7
=
3.2
15.4
=
12.5
7.4
=
131.6
13
=
8.5
4.3
=
73.5
11
=
131.2
12.3
=
45.7
249.9
=
91.2
6.9
=
45.6
249.5
=
14.6
20.4
=
3
7.1
=
59.5
14.7
=
81.3
4.5
=
50.9
11.4
=
98.3
13
=
50.8
2.1
=
4.6
12.8
=
40
7.9
=
75
3.4
=
85.7
20.3
=
附近的結果
38
7
=
38
7.1
=
38
7.2
=
38
7.3
=
38
7.4
=
38
7.5
=
38
7.6
=
38
7.7
=
38
7.8
=
38
7.9
=
38
8
=
38.1
7
=
38.1
7.1
=
38.1
7.2
=
38.1
7.3
=
38.1
7.4
=
38.1
7.5
=
38.1
7.6
=
38.1
7.7
=
38.1
7.8
=
38.1
7.9
=
38.1
8
=
38.2
7
=
38.2
7.1
=
38.2
7.2
=
38.2
7.3
=
38.2
7.4
=
38.2
7.5
=
38.2
7.6
=
38.2
7.7
=
38.2
7.8
=
38.2
7.9
=
38.2
8
=
38.3
7
=
38.3
7.1
=
38.3
7.2
=
38.3
7.3
=
38.3
7.4
=
38.3
7.5
=
38.3
7.6
=
38.3
7.7
=
38.3
7.8
=
38.3
7.9
=
38.3
8
=
38.4
7
=
38.4
7.1
=
38.4
7.2
=
38.4
7.3
=
38.4
7.4
=
38.4
7.5
=
38.4
7.6
=
38.4
7.7
=
38.4
7.8
=
38.4
7.9
=
38.4
8
=
38.5
7
=
38.5
7.1
=
38.5
7.2
=
38.5
7.3
=
38.5
7.4
=
38.5
7.5
=
38.5
7.6
=
38.5
7.7
=
38.5
7.8
=
38.5
7.9
=
38.5
8
=
38.6
7
=
38.6
7.1
=
38.6
7.2
=
38.6
7.3
=
38.6
7.4
=
38.6
7.5
=
38.6
7.6
=
38.6
7.7
=
38.6
7.8
=
38.6
7.9
=
38.6
8
=
38.7
7
=
38.7
7.1
=
38.7
7.2
=
38.7
7.3
=
38.7
7.4
=
38.7
7.5
=
38.7
7.6
=
38.7
7.7
=
38.7
7.8
=
38.7
7.9
=
38.7
8
=
38.8
7
=
38.8
7.1
=
38.8
7.2
=
38.8
7.3
=
38.8
7.4
=
38.8
7.5
=
38.8
7.6
=
38.8
7.7
=
38.8
7.8
=
38.8
7.9
=
38.8
8
=
38.9
7
=
38.9
7.1
=
38.9
7.2
=
38.9
7.3
=
38.9
7.4
=
38.9
7.5
=
38.9
7.6
=
38.9
7.7
=
38.9
7.8
=
38.9
7.9
=
38.9
8
=