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!
81.5
15
=
4.6490490804984E+28
历史上次计算结果
81.5
15
=
163.1
15.3
=
40.1
9
=
11
17.1
=
18.7
12.8
=
71.5
10.1
=
24
6.6
=
79.4
10.3
=
96.9
7.1
=
81.1
19
=
40
4.9
=
7.8
1841.6
=
63
12.3
=
36.7
16
=
3.2
15.3
=
7.7
3.7
=
57.7
7.8
=
14.1
2.6
=
48.3
3.9
=
42
1.3
=
8.3
2.2
=
74.5
8
=
36.2
10.1
=
84
1.3
=
152.2
16.9
=
55
5.3
=
30.9
7.4
=
66.8
7.4
=
63
10.8
=
82.6
4.8
=
附近的結果
81
15
=
81
15.1
=
81
15.2
=
81
15.3
=
81
15.4
=
81
15.5
=
81
15.6
=
81
15.7
=
81
15.8
=
81
15.9
=
81
16
=
81.1
15
=
81.1
15.1
=
81.1
15.2
=
81.1
15.3
=
81.1
15.4
=
81.1
15.5
=
81.1
15.6
=
81.1
15.7
=
81.1
15.8
=
81.1
15.9
=
81.1
16
=
81.2
15
=
81.2
15.1
=
81.2
15.2
=
81.2
15.3
=
81.2
15.4
=
81.2
15.5
=
81.2
15.6
=
81.2
15.7
=
81.2
15.8
=
81.2
15.9
=
81.2
16
=
81.3
15
=
81.3
15.1
=
81.3
15.2
=
81.3
15.3
=
81.3
15.4
=
81.3
15.5
=
81.3
15.6
=
81.3
15.7
=
81.3
15.8
=
81.3
15.9
=
81.3
16
=
81.4
15
=
81.4
15.1
=
81.4
15.2
=
81.4
15.3
=
81.4
15.4
=
81.4
15.5
=
81.4
15.6
=
81.4
15.7
=
81.4
15.8
=
81.4
15.9
=
81.4
16
=
81.5
15
=
81.5
15.1
=
81.5
15.2
=
81.5
15.3
=
81.5
15.4
=
81.5
15.5
=
81.5
15.6
=
81.5
15.7
=
81.5
15.8
=
81.5
15.9
=
81.5
16
=
81.6
15
=
81.6
15.1
=
81.6
15.2
=
81.6
15.3
=
81.6
15.4
=
81.6
15.5
=
81.6
15.6
=
81.6
15.7
=
81.6
15.8
=
81.6
15.9
=
81.6
16
=
81.7
15
=
81.7
15.1
=
81.7
15.2
=
81.7
15.3
=
81.7
15.4
=
81.7
15.5
=
81.7
15.6
=
81.7
15.7
=
81.7
15.8
=
81.7
15.9
=
81.7
16
=
81.8
15
=
81.8
15.1
=
81.8
15.2
=
81.8
15.3
=
81.8
15.4
=
81.8
15.5
=
81.8
15.6
=
81.8
15.7
=
81.8
15.8
=
81.8
15.9
=
81.8
16
=
81.9
15
=
81.9
15.1
=
81.9
15.2
=
81.9
15.3
=
81.9
15.4
=
81.9
15.5
=
81.9
15.6
=
81.9
15.7
=
81.9
15.8
=
81.9
15.9
=
81.9
16
=
82
15
=
82
15.1
=
82
15.2
=
82
15.3
=
82
15.4
=
82
15.5
=
82
15.6
=
82
15.7
=
82
15.8
=
82
15.9
=
82
16
=