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!
87.1
7.8
=
1.3556313668247E+15
历史上次计算结果
87.1
7.8
=
7.1
20.5
=
40.6
4.4
=
70
14
=
46.9
9
=
2.6
9.5
=
77
19.2
=
2.2
8.8
=
11.6
0.4
=
3.6
4.5
=
77.9
19.6
=
8.1
16.2
=
78.5
17.8
=
77.2
19
=
5.4
6.1
=
94.5
10
=
114.2
14.7
=
89.8
15.9
=
88.6
5.1
=
103.5
12.3
=
98.2
2.1
=
89.4
4.6
=
18.7
11.6
=
94.2
11.3
=
14.6
3.4
=
70.8
13.8
=
5.9
9.5
=
11.1
15.3
=
96.3
16.8
=
95.3
3.8
=
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
=