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!
40.9
12.8
=
4.2663682872794E+20
历史上次计算结果
72.8
9.9
=
40.9
12.8
=
9.8
20.4
=
89.1
4.8
=
70.6
15.4
=
7.9
16.3
=
70.7
15.1
=
15.7
0.3
=
62.6
11.7
=
6.8
14.7
=
78.2
1.9
=
39.3
1.8
=
34
12.6
=
62.9
12
=
99.5
10.1
=
32.9
6.3
=
61.9
11.9
=
40.5
14.8
=
72.5
7.5
=
16.4
7.8
=
78.2
13.5
=
78
10.5
=
145
13.2
=
79
13.1
=
72.4
13.6
=
91.3
9.7
=
79.7
1.1
=
18.3
20.1
=
96.9
12.5
=
103.4
10.5
=
附近的結果
40
12
=
40
12.1
=
40
12.2
=
40
12.3
=
40
12.4
=
40
12.5
=
40
12.6
=
40
12.7
=
40
12.8
=
40
12.9
=
40
13
=
40.1
12
=
40.1
12.1
=
40.1
12.2
=
40.1
12.3
=
40.1
12.4
=
40.1
12.5
=
40.1
12.6
=
40.1
12.7
=
40.1
12.8
=
40.1
12.9
=
40.1
13
=
40.2
12
=
40.2
12.1
=
40.2
12.2
=
40.2
12.3
=
40.2
12.4
=
40.2
12.5
=
40.2
12.6
=
40.2
12.7
=
40.2
12.8
=
40.2
12.9
=
40.2
13
=
40.3
12
=
40.3
12.1
=
40.3
12.2
=
40.3
12.3
=
40.3
12.4
=
40.3
12.5
=
40.3
12.6
=
40.3
12.7
=
40.3
12.8
=
40.3
12.9
=
40.3
13
=
40.4
12
=
40.4
12.1
=
40.4
12.2
=
40.4
12.3
=
40.4
12.4
=
40.4
12.5
=
40.4
12.6
=
40.4
12.7
=
40.4
12.8
=
40.4
12.9
=
40.4
13
=
40.5
12
=
40.5
12.1
=
40.5
12.2
=
40.5
12.3
=
40.5
12.4
=
40.5
12.5
=
40.5
12.6
=
40.5
12.7
=
40.5
12.8
=
40.5
12.9
=
40.5
13
=
40.6
12
=
40.6
12.1
=
40.6
12.2
=
40.6
12.3
=
40.6
12.4
=
40.6
12.5
=
40.6
12.6
=
40.6
12.7
=
40.6
12.8
=
40.6
12.9
=
40.6
13
=
40.7
12
=
40.7
12.1
=
40.7
12.2
=
40.7
12.3
=
40.7
12.4
=
40.7
12.5
=
40.7
12.6
=
40.7
12.7
=
40.7
12.8
=
40.7
12.9
=
40.7
13
=
40.8
12
=
40.8
12.1
=
40.8
12.2
=
40.8
12.3
=
40.8
12.4
=
40.8
12.5
=
40.8
12.6
=
40.8
12.7
=
40.8
12.8
=
40.8
12.9
=
40.8
13
=
40.9
12
=
40.9
12.1
=
40.9
12.2
=
40.9
12.3
=
40.9
12.4
=
40.9
12.5
=
40.9
12.6
=
40.9
12.7
=
40.9
12.8
=
40.9
12.9
=
40.9
13
=