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!
4.2
12.5
=
61747038.086816
历史上次计算结果
4.2
12.5
=
82.4
3.4
=
74.8
8.4
=
159.5
16.8
=
101.3
19.9
=
2.3
20.7
=
54.4
14.9
=
125.8
11.6
=
11.8
2.1
=
54.6
14.2
=
125.9
11.8
=
117.1
13.7
=
83.5
12.1
=
24.7
2.9
=
159.9
16.1
=
3.3
7.3
=
69.1
2.1
=
92.9
14.4
=
9.7
2155.9
=
118
13.9
=
27.5
11.5
=
69
11.9
=
112.5
10
=
84
12.9
=
19.2
20.7
=
89.1
14.7
=
3.2
7.6
=
83
3.7
=
21.7
13.5
=
3.1
7.4
=
附近的結果
4
12
=
4
12.1
=
4
12.2
=
4
12.3
=
4
12.4
=
4
12.5
=
4
12.6
=
4
12.7
=
4
12.8
=
4
12.9
=
4
13
=
4.1
12
=
4.1
12.1
=
4.1
12.2
=
4.1
12.3
=
4.1
12.4
=
4.1
12.5
=
4.1
12.6
=
4.1
12.7
=
4.1
12.8
=
4.1
12.9
=
4.1
13
=
4.2
12
=
4.2
12.1
=
4.2
12.2
=
4.2
12.3
=
4.2
12.4
=
4.2
12.5
=
4.2
12.6
=
4.2
12.7
=
4.2
12.8
=
4.2
12.9
=
4.2
13
=
4.3
12
=
4.3
12.1
=
4.3
12.2
=
4.3
12.3
=
4.3
12.4
=
4.3
12.5
=
4.3
12.6
=
4.3
12.7
=
4.3
12.8
=
4.3
12.9
=
4.3
13
=
4.4
12
=
4.4
12.1
=
4.4
12.2
=
4.4
12.3
=
4.4
12.4
=
4.4
12.5
=
4.4
12.6
=
4.4
12.7
=
4.4
12.8
=
4.4
12.9
=
4.4
13
=
4.5
12
=
4.5
12.1
=
4.5
12.2
=
4.5
12.3
=
4.5
12.4
=
4.5
12.5
=
4.5
12.6
=
4.5
12.7
=
4.5
12.8
=
4.5
12.9
=
4.5
13
=
4.6
12
=
4.6
12.1
=
4.6
12.2
=
4.6
12.3
=
4.6
12.4
=
4.6
12.5
=
4.6
12.6
=
4.6
12.7
=
4.6
12.8
=
4.6
12.9
=
4.6
13
=
4.7
12
=
4.7
12.1
=
4.7
12.2
=
4.7
12.3
=
4.7
12.4
=
4.7
12.5
=
4.7
12.6
=
4.7
12.7
=
4.7
12.8
=
4.7
12.9
=
4.7
13
=
4.8
12
=
4.8
12.1
=
4.8
12.2
=
4.8
12.3
=
4.8
12.4
=
4.8
12.5
=
4.8
12.6
=
4.8
12.7
=
4.8
12.8
=
4.8
12.9
=
4.8
13
=
4.9
12
=
4.9
12.1
=
4.9
12.2
=
4.9
12.3
=
4.9
12.4
=
4.9
12.5
=
4.9
12.6
=
4.9
12.7
=
4.9
12.8
=
4.9
12.9
=
4.9
13
=
5
12
=
5
12.1
=
5
12.2
=
5
12.3
=
5
12.4
=
5
12.5
=
5
12.6
=
5
12.7
=
5
12.8
=
5
12.9
=
5
13
=