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!
81.6
20
=
1.713180707538E+38
历史上次计算结果
81.6
20
=
81
20.7
=
60.3
4.3
=
113.7
15
=
9.5
18.9
=
26.2
20.4
=
45.2
250.1
=
87.1
2.9
=
9.6
18.2
=
79.4
12.3
=
91.4
5.9
=
131.8
13.5
=
8.5
1839.5
=
7.3
12.3
=
1.4
9.3
=
7.2
12.7
=
36.7
15.9
=
72.1
8
=
2.9
9.5
=
45.7
11.8
=
51.4
9.8
=
7.6
12.5
=
25.5
3.2
=
25.3
3.6
=
104.7
9
=
25.1
3.1
=
15.9
3.7
=
37
5.9
=
25.1
3.7
=
25.8
3.1
=
附近的結果
81
20
=
81
20.1
=
81
20.2
=
81
20.3
=
81
20.4
=
81
20.5
=
81
20.6
=
81
20.7
=
81
20.8
=
81
20.9
=
81.1
20
=
81.1
20.1
=
81.1
20.2
=
81.1
20.3
=
81.1
20.4
=
81.1
20.5
=
81.1
20.6
=
81.1
20.7
=
81.1
20.8
=
81.1
20.9
=
81.2
20
=
81.2
20.1
=
81.2
20.2
=
81.2
20.3
=
81.2
20.4
=
81.2
20.5
=
81.2
20.6
=
81.2
20.7
=
81.2
20.8
=
81.2
20.9
=
81.3
20
=
81.3
20.1
=
81.3
20.2
=
81.3
20.3
=
81.3
20.4
=
81.3
20.5
=
81.3
20.6
=
81.3
20.7
=
81.3
20.8
=
81.3
20.9
=
81.4
20
=
81.4
20.1
=
81.4
20.2
=
81.4
20.3
=
81.4
20.4
=
81.4
20.5
=
81.4
20.6
=
81.4
20.7
=
81.4
20.8
=
81.4
20.9
=
81.5
20
=
81.5
20.1
=
81.5
20.2
=
81.5
20.3
=
81.5
20.4
=
81.5
20.5
=
81.5
20.6
=
81.5
20.7
=
81.5
20.8
=
81.5
20.9
=
81.6
20
=
81.6
20.1
=
81.6
20.2
=
81.6
20.3
=
81.6
20.4
=
81.6
20.5
=
81.6
20.6
=
81.6
20.7
=
81.6
20.8
=
81.6
20.9
=
81.7
20
=
81.7
20.1
=
81.7
20.2
=
81.7
20.3
=
81.7
20.4
=
81.7
20.5
=
81.7
20.6
=
81.7
20.7
=
81.7
20.8
=
81.7
20.9
=
81.8
20
=
81.8
20.1
=
81.8
20.2
=
81.8
20.3
=
81.8
20.4
=
81.8
20.5
=
81.8
20.6
=
81.8
20.7
=
81.8
20.8
=
81.8
20.9
=
81.9
20
=
81.9
20.1
=
81.9
20.2
=
81.9
20.3
=
81.9
20.4
=
81.9
20.5
=
81.9
20.6
=
81.9
20.7
=
81.9
20.8
=
81.9
20.9
=
82
20
=
82
20.1
=
82
20.2
=
82
20.3
=
82
20.4
=
82
20.5
=
82
20.6
=
82
20.7
=
82
20.8
=
82
20.9
=