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!
39.9
12.8
=
3.1078000174505E+20
历史上次计算结果
39.9
12.8
=
39.8
12.4
=
147
15.3
=
77.5
18.9
=
51.8
11.5
=
2.5
7.1
=
96
18.4
=
65
8.5
=
10.2
0.2
=
附近的結果
39
12
=
39
12.1
=
39
12.2
=
39
12.3
=
39
12.4
=
39
12.5
=
39
12.6
=
39
12.7
=
39
12.8
=
39
12.9
=
39
13
=
39.1
12
=
39.1
12.1
=
39.1
12.2
=
39.1
12.3
=
39.1
12.4
=
39.1
12.5
=
39.1
12.6
=
39.1
12.7
=
39.1
12.8
=
39.1
12.9
=
39.1
13
=
39.2
12
=
39.2
12.1
=
39.2
12.2
=
39.2
12.3
=
39.2
12.4
=
39.2
12.5
=
39.2
12.6
=
39.2
12.7
=
39.2
12.8
=
39.2
12.9
=
39.2
13
=
39.3
12
=
39.3
12.1
=
39.3
12.2
=
39.3
12.3
=
39.3
12.4
=
39.3
12.5
=
39.3
12.6
=
39.3
12.7
=
39.3
12.8
=
39.3
12.9
=
39.3
13
=
39.4
12
=
39.4
12.1
=
39.4
12.2
=
39.4
12.3
=
39.4
12.4
=
39.4
12.5
=
39.4
12.6
=
39.4
12.7
=
39.4
12.8
=
39.4
12.9
=
39.4
13
=
39.5
12
=
39.5
12.1
=
39.5
12.2
=
39.5
12.3
=
39.5
12.4
=
39.5
12.5
=
39.5
12.6
=
39.5
12.7
=
39.5
12.8
=
39.5
12.9
=
39.5
13
=
39.6
12
=
39.6
12.1
=
39.6
12.2
=
39.6
12.3
=
39.6
12.4
=
39.6
12.5
=
39.6
12.6
=
39.6
12.7
=
39.6
12.8
=
39.6
12.9
=
39.6
13
=
39.7
12
=
39.7
12.1
=
39.7
12.2
=
39.7
12.3
=
39.7
12.4
=
39.7
12.5
=
39.7
12.6
=
39.7
12.7
=
39.7
12.8
=
39.7
12.9
=
39.7
13
=
39.8
12
=
39.8
12.1
=
39.8
12.2
=
39.8
12.3
=
39.8
12.4
=
39.8
12.5
=
39.8
12.6
=
39.8
12.7
=
39.8
12.8
=
39.8
12.9
=
39.8
13
=
39.9
12
=
39.9
12.1
=
39.9
12.2
=
39.9
12.3
=
39.9
12.4
=
39.9
12.5
=
39.9
12.6
=
39.9
12.7
=
39.9
12.8
=
39.9
12.9
=
39.9
13
=