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!
87.4
7.8
=
1.392480668098E+15
历史上次计算结果
87.4
7.8
=
14.1
13.3
=
14.6
3.2
=
43.8
9.1
=
98.8
13.7
=
14.2
8.6
=
14.2
3.3
=
100.9
20.7
=
36.3
10.3
=
54.4
8
=
43
9.1
=
97.7
15.7
=
14
13.2
=
169.8
15.3
=
45.2
251.6
=
1.6
18.3
=
12.3
10.6
=
24.1
6.4
=
52.4
13.5
=
83.7
20.7
=
76.6
19.7
=
89.6
11
=
3.7
4.1
=
87.8
12.5
=
67.4
10.5
=
5.2
6.3
=
76.6
19
=
72.1
3.3
=
9.2
17.9
=
76.6
19.5
=
附近的結果
87
7
=
87
7.1
=
87
7.2
=
87
7.3
=
87
7.4
=
87
7.5
=
87
7.6
=
87
7.7
=
87
7.8
=
87
7.9
=
87
8
=
87.1
7
=
87.1
7.1
=
87.1
7.2
=
87.1
7.3
=
87.1
7.4
=
87.1
7.5
=
87.1
7.6
=
87.1
7.7
=
87.1
7.8
=
87.1
7.9
=
87.1
8
=
87.2
7
=
87.2
7.1
=
87.2
7.2
=
87.2
7.3
=
87.2
7.4
=
87.2
7.5
=
87.2
7.6
=
87.2
7.7
=
87.2
7.8
=
87.2
7.9
=
87.2
8
=
87.3
7
=
87.3
7.1
=
87.3
7.2
=
87.3
7.3
=
87.3
7.4
=
87.3
7.5
=
87.3
7.6
=
87.3
7.7
=
87.3
7.8
=
87.3
7.9
=
87.3
8
=
87.4
7
=
87.4
7.1
=
87.4
7.2
=
87.4
7.3
=
87.4
7.4
=
87.4
7.5
=
87.4
7.6
=
87.4
7.7
=
87.4
7.8
=
87.4
7.9
=
87.4
8
=
87.5
7
=
87.5
7.1
=
87.5
7.2
=
87.5
7.3
=
87.5
7.4
=
87.5
7.5
=
87.5
7.6
=
87.5
7.7
=
87.5
7.8
=
87.5
7.9
=
87.5
8
=
87.6
7
=
87.6
7.1
=
87.6
7.2
=
87.6
7.3
=
87.6
7.4
=
87.6
7.5
=
87.6
7.6
=
87.6
7.7
=
87.6
7.8
=
87.6
7.9
=
87.6
8
=
87.7
7
=
87.7
7.1
=
87.7
7.2
=
87.7
7.3
=
87.7
7.4
=
87.7
7.5
=
87.7
7.6
=
87.7
7.7
=
87.7
7.8
=
87.7
7.9
=
87.7
8
=
87.8
7
=
87.8
7.1
=
87.8
7.2
=
87.8
7.3
=
87.8
7.4
=
87.8
7.5
=
87.8
7.6
=
87.8
7.7
=
87.8
7.8
=
87.8
7.9
=
87.8
8
=
87.9
7
=
87.9
7.1
=
87.9
7.2
=
87.9
7.3
=
87.9
7.4
=
87.9
7.5
=
87.9
7.6
=
87.9
7.7
=
87.9
7.8
=
87.9
7.9
=
87.9
8
=
88
7
=
88
7.1
=
88
7.2
=
88
7.3
=
88
7.4
=
88
7.5
=
88
7.6
=
88
7.7
=
88
7.8
=
88
7.9
=
88
8
=