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!
19.7
2
=
388.09
历史上次计算结果
19.7
2
=
18.9
5.2
=
16
2165.6
=
79.1
8.4
=
94.6
7.9
=
132.2
16
=
61.7
9.3
=
83.9
13.1
=
141.1
16.3
=
71
12.4
=
17.6
4.1
=
59
14.2
=
34.7
19.6
=
115.3
13.6
=
82.6
3.6
=
14.3
2159.9
=
5.2
20
=
33.2
15.7
=
3.5
17
=
22
8.8
=
91.8
5.5
=
77.3
17.9
=
6
20.1
=
144.7
16.6
=
27.4
20
=
58.7
11.5
=
25.3
4.9
=
53.6
13.4
=
2.2
14.9
=
106.8
9.7
=
附近的結果
19
2
=
19
2.1
=
19
2.2
=
19
2.3
=
19
2.4
=
19
2.5
=
19
2.6
=
19
2.7
=
19
2.8
=
19
2.9
=
19.1
2
=
19.1
2.1
=
19.1
2.2
=
19.1
2.3
=
19.1
2.4
=
19.1
2.5
=
19.1
2.6
=
19.1
2.7
=
19.1
2.8
=
19.1
2.9
=
19.2
2
=
19.2
2.1
=
19.2
2.2
=
19.2
2.3
=
19.2
2.4
=
19.2
2.5
=
19.2
2.6
=
19.2
2.7
=
19.2
2.8
=
19.2
2.9
=
19.3
2
=
19.3
2.1
=
19.3
2.2
=
19.3
2.3
=
19.3
2.4
=
19.3
2.5
=
19.3
2.6
=
19.3
2.7
=
19.3
2.8
=
19.3
2.9
=
19.4
2
=
19.4
2.1
=
19.4
2.2
=
19.4
2.3
=
19.4
2.4
=
19.4
2.5
=
19.4
2.6
=
19.4
2.7
=
19.4
2.8
=
19.4
2.9
=
19.5
2
=
19.5
2.1
=
19.5
2.2
=
19.5
2.3
=
19.5
2.4
=
19.5
2.5
=
19.5
2.6
=
19.5
2.7
=
19.5
2.8
=
19.5
2.9
=
19.6
2
=
19.6
2.1
=
19.6
2.2
=
19.6
2.3
=
19.6
2.4
=
19.6
2.5
=
19.6
2.6
=
19.6
2.7
=
19.6
2.8
=
19.6
2.9
=
19.7
2
=
19.7
2.1
=
19.7
2.2
=
19.7
2.3
=
19.7
2.4
=
19.7
2.5
=
19.7
2.6
=
19.7
2.7
=
19.7
2.8
=
19.7
2.9
=
19.8
2
=
19.8
2.1
=
19.8
2.2
=
19.8
2.3
=
19.8
2.4
=
19.8
2.5
=
19.8
2.6
=
19.8
2.7
=
19.8
2.8
=
19.8
2.9
=
19.9
2
=
19.9
2.1
=
19.9
2.2
=
19.9
2.3
=
19.9
2.4
=
19.9
2.5
=
19.9
2.6
=
19.9
2.7
=
19.9
2.8
=
19.9
2.9
=