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!
78.1
7.8
=
5.7899933408927E+14
历史上次计算结果
78.1
7.8
=
128.3
15
=
23.8
7.5
=
87.7
14.1
=
31.9
9
=
15.1
10.2
=
78
7.2
=
117.6
14
=
7.1
12.7
=
50.5
16.4
=
54.3
14
=
12.5
14
=
57.3
5.5
=
24.1
5.3
=
85.6
13
=
83.1
5.3
=
102.7
15.6
=
7
17.5
=
3.2
7.4
=
80.5
6
=
101.7
19.4
=
39.3
7.2
=
11.5
2.3
=
25.4
7.7
=
16.2
17.4
=
71.9
11.5
=
87.3
14.6
=
47.5
14.5
=
40.8
12.7
=
39.8
10.9
=
附近的結果
78
7
=
78
7.1
=
78
7.2
=
78
7.3
=
78
7.4
=
78
7.5
=
78
7.6
=
78
7.7
=
78
7.8
=
78
7.9
=
78
8
=
78.1
7
=
78.1
7.1
=
78.1
7.2
=
78.1
7.3
=
78.1
7.4
=
78.1
7.5
=
78.1
7.6
=
78.1
7.7
=
78.1
7.8
=
78.1
7.9
=
78.1
8
=
78.2
7
=
78.2
7.1
=
78.2
7.2
=
78.2
7.3
=
78.2
7.4
=
78.2
7.5
=
78.2
7.6
=
78.2
7.7
=
78.2
7.8
=
78.2
7.9
=
78.2
8
=
78.3
7
=
78.3
7.1
=
78.3
7.2
=
78.3
7.3
=
78.3
7.4
=
78.3
7.5
=
78.3
7.6
=
78.3
7.7
=
78.3
7.8
=
78.3
7.9
=
78.3
8
=
78.4
7
=
78.4
7.1
=
78.4
7.2
=
78.4
7.3
=
78.4
7.4
=
78.4
7.5
=
78.4
7.6
=
78.4
7.7
=
78.4
7.8
=
78.4
7.9
=
78.4
8
=
78.5
7
=
78.5
7.1
=
78.5
7.2
=
78.5
7.3
=
78.5
7.4
=
78.5
7.5
=
78.5
7.6
=
78.5
7.7
=
78.5
7.8
=
78.5
7.9
=
78.5
8
=
78.6
7
=
78.6
7.1
=
78.6
7.2
=
78.6
7.3
=
78.6
7.4
=
78.6
7.5
=
78.6
7.6
=
78.6
7.7
=
78.6
7.8
=
78.6
7.9
=
78.6
8
=
78.7
7
=
78.7
7.1
=
78.7
7.2
=
78.7
7.3
=
78.7
7.4
=
78.7
7.5
=
78.7
7.6
=
78.7
7.7
=
78.7
7.8
=
78.7
7.9
=
78.7
8
=
78.8
7
=
78.8
7.1
=
78.8
7.2
=
78.8
7.3
=
78.8
7.4
=
78.8
7.5
=
78.8
7.6
=
78.8
7.7
=
78.8
7.8
=
78.8
7.9
=
78.8
8
=
78.9
7
=
78.9
7.1
=
78.9
7.2
=
78.9
7.3
=
78.9
7.4
=
78.9
7.5
=
78.9
7.6
=
78.9
7.7
=
78.9
7.8
=
78.9
7.9
=
78.9
8
=
79
7
=
79
7.1
=
79
7.2
=
79
7.3
=
79
7.4
=
79
7.5
=
79
7.6
=
79
7.7
=
79
7.8
=
79
7.9
=
79
8
=