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!
78
12.9
=
2.5587059244915E+24
历史上次计算结果
78
12.9
=
79.5
16.5
=
115.1
15
=
13.2
2.5
=
54.8
6.3
=
46.8
7
=
12.4
17.1
=
29.2
8.6
=
65.3
10.4
=
29.1
8.7
=
98.2
13.3
=
133
12.2
=
39.5
9.2
=
19.5
4.3
=
7
17.7
=
50.6
16
=
103
1
=
81
7.6
=
14.4
10.5
=
11.9
2.9
=
38.4
16.4
=
19
4.6
=
32.4
1.3
=
74
14.5
=
5.7
3.4
=
40.2
4.8
=
40.3
5
=
50
16.9
=
103
10.1
=
8.1
1.3
=
附近的結果
78
12
=
78
12.1
=
78
12.2
=
78
12.3
=
78
12.4
=
78
12.5
=
78
12.6
=
78
12.7
=
78
12.8
=
78
12.9
=
78
13
=
78.1
12
=
78.1
12.1
=
78.1
12.2
=
78.1
12.3
=
78.1
12.4
=
78.1
12.5
=
78.1
12.6
=
78.1
12.7
=
78.1
12.8
=
78.1
12.9
=
78.1
13
=
78.2
12
=
78.2
12.1
=
78.2
12.2
=
78.2
12.3
=
78.2
12.4
=
78.2
12.5
=
78.2
12.6
=
78.2
12.7
=
78.2
12.8
=
78.2
12.9
=
78.2
13
=
78.3
12
=
78.3
12.1
=
78.3
12.2
=
78.3
12.3
=
78.3
12.4
=
78.3
12.5
=
78.3
12.6
=
78.3
12.7
=
78.3
12.8
=
78.3
12.9
=
78.3
13
=
78.4
12
=
78.4
12.1
=
78.4
12.2
=
78.4
12.3
=
78.4
12.4
=
78.4
12.5
=
78.4
12.6
=
78.4
12.7
=
78.4
12.8
=
78.4
12.9
=
78.4
13
=
78.5
12
=
78.5
12.1
=
78.5
12.2
=
78.5
12.3
=
78.5
12.4
=
78.5
12.5
=
78.5
12.6
=
78.5
12.7
=
78.5
12.8
=
78.5
12.9
=
78.5
13
=
78.6
12
=
78.6
12.1
=
78.6
12.2
=
78.6
12.3
=
78.6
12.4
=
78.6
12.5
=
78.6
12.6
=
78.6
12.7
=
78.6
12.8
=
78.6
12.9
=
78.6
13
=
78.7
12
=
78.7
12.1
=
78.7
12.2
=
78.7
12.3
=
78.7
12.4
=
78.7
12.5
=
78.7
12.6
=
78.7
12.7
=
78.7
12.8
=
78.7
12.9
=
78.7
13
=
78.8
12
=
78.8
12.1
=
78.8
12.2
=
78.8
12.3
=
78.8
12.4
=
78.8
12.5
=
78.8
12.6
=
78.8
12.7
=
78.8
12.8
=
78.8
12.9
=
78.8
13
=
78.9
12
=
78.9
12.1
=
78.9
12.2
=
78.9
12.3
=
78.9
12.4
=
78.9
12.5
=
78.9
12.6
=
78.9
12.7
=
78.9
12.8
=
78.9
12.9
=
78.9
13
=
79
12
=
79
12.1
=
79
12.2
=
79
12.3
=
79
12.4
=
79
12.5
=
79
12.6
=
79
12.7
=
79
12.8
=
79
12.9
=
79
13
=