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!
81.4
7.9
=
1.241460193046E+15
历史上次计算结果
81.4
7.9
=
55
16.5
=
84.3
2.1
=
147
15.1
=
29.4
9.9
=
65
14.8
=
27.6
4
=
33
5.8
=
143
15.5
=
83.9
9.9
=
93.6
7.6
=
4.8
2.2
=
6.3
3.2
=
22
16.7
=
11.6
12.8
=
84.7
2.3
=
81
1.9
=
23
8.3
=
56.5
7.3
=
22.7
16.5
=
71.4
13.2
=
21.6
16.8
=
7.7
5.5
=
102.1
1
=
55.5
11.5
=
31.9
9.1
=
32.8
4
=
59.5
15.6
=
93.2
7.1
=
21.1
16.6
=
附近的結果
81
7
=
81
7.1
=
81
7.2
=
81
7.3
=
81
7.4
=
81
7.5
=
81
7.6
=
81
7.7
=
81
7.8
=
81
7.9
=
81
8
=
81.1
7
=
81.1
7.1
=
81.1
7.2
=
81.1
7.3
=
81.1
7.4
=
81.1
7.5
=
81.1
7.6
=
81.1
7.7
=
81.1
7.8
=
81.1
7.9
=
81.1
8
=
81.2
7
=
81.2
7.1
=
81.2
7.2
=
81.2
7.3
=
81.2
7.4
=
81.2
7.5
=
81.2
7.6
=
81.2
7.7
=
81.2
7.8
=
81.2
7.9
=
81.2
8
=
81.3
7
=
81.3
7.1
=
81.3
7.2
=
81.3
7.3
=
81.3
7.4
=
81.3
7.5
=
81.3
7.6
=
81.3
7.7
=
81.3
7.8
=
81.3
7.9
=
81.3
8
=
81.4
7
=
81.4
7.1
=
81.4
7.2
=
81.4
7.3
=
81.4
7.4
=
81.4
7.5
=
81.4
7.6
=
81.4
7.7
=
81.4
7.8
=
81.4
7.9
=
81.4
8
=
81.5
7
=
81.5
7.1
=
81.5
7.2
=
81.5
7.3
=
81.5
7.4
=
81.5
7.5
=
81.5
7.6
=
81.5
7.7
=
81.5
7.8
=
81.5
7.9
=
81.5
8
=
81.6
7
=
81.6
7.1
=
81.6
7.2
=
81.6
7.3
=
81.6
7.4
=
81.6
7.5
=
81.6
7.6
=
81.6
7.7
=
81.6
7.8
=
81.6
7.9
=
81.6
8
=
81.7
7
=
81.7
7.1
=
81.7
7.2
=
81.7
7.3
=
81.7
7.4
=
81.7
7.5
=
81.7
7.6
=
81.7
7.7
=
81.7
7.8
=
81.7
7.9
=
81.7
8
=
81.8
7
=
81.8
7.1
=
81.8
7.2
=
81.8
7.3
=
81.8
7.4
=
81.8
7.5
=
81.8
7.6
=
81.8
7.7
=
81.8
7.8
=
81.8
7.9
=
81.8
8
=
81.9
7
=
81.9
7.1
=
81.9
7.2
=
81.9
7.3
=
81.9
7.4
=
81.9
7.5
=
81.9
7.6
=
81.9
7.7
=
81.9
7.8
=
81.9
7.9
=
81.9
8
=
82
7
=
82
7.1
=
82
7.2
=
82
7.3
=
82
7.4
=
82
7.5
=
82
7.6
=
82
7.7
=
82
7.8
=
82
7.9
=
82
8
=