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!
21.8
2.2
=
880.24645745327
历史上次计算结果
21.8
2.2
=
12.2
5.4
=
91
8.8
=
151
14.1
=
48.9
16.3
=
106.1
13.2
=
167.4
15.2
=
8.2
1840.7
=
29.2
10.8
=
82.4
13.9
=
13.8
9.1
=
3.4
17.9
=
21.8
12.4
=
19.9
18.1
=
71.7
19.3
=
79.4
2
=
76.1
8.6
=
95.2
6.3
=
53.9
9.5
=
40.4
4.1
=
133
12.8
=
105.8
12.6
=
64.4
12.6
=
29.9
11.9
=
42
15.2
=
19.5
13.1
=
64
7
=
7.5
11.4
=
145.3
16.4
=
28.2
12.4
=
附近的結果
21
2
=
21
2.1
=
21
2.2
=
21
2.3
=
21
2.4
=
21
2.5
=
21
2.6
=
21
2.7
=
21
2.8
=
21
2.9
=
21.1
2
=
21.1
2.1
=
21.1
2.2
=
21.1
2.3
=
21.1
2.4
=
21.1
2.5
=
21.1
2.6
=
21.1
2.7
=
21.1
2.8
=
21.1
2.9
=
21.2
2
=
21.2
2.1
=
21.2
2.2
=
21.2
2.3
=
21.2
2.4
=
21.2
2.5
=
21.2
2.6
=
21.2
2.7
=
21.2
2.8
=
21.2
2.9
=
21.3
2
=
21.3
2.1
=
21.3
2.2
=
21.3
2.3
=
21.3
2.4
=
21.3
2.5
=
21.3
2.6
=
21.3
2.7
=
21.3
2.8
=
21.3
2.9
=
21.4
2
=
21.4
2.1
=
21.4
2.2
=
21.4
2.3
=
21.4
2.4
=
21.4
2.5
=
21.4
2.6
=
21.4
2.7
=
21.4
2.8
=
21.4
2.9
=
21.5
2
=
21.5
2.1
=
21.5
2.2
=
21.5
2.3
=
21.5
2.4
=
21.5
2.5
=
21.5
2.6
=
21.5
2.7
=
21.5
2.8
=
21.5
2.9
=
21.6
2
=
21.6
2.1
=
21.6
2.2
=
21.6
2.3
=
21.6
2.4
=
21.6
2.5
=
21.6
2.6
=
21.6
2.7
=
21.6
2.8
=
21.6
2.9
=
21.7
2
=
21.7
2.1
=
21.7
2.2
=
21.7
2.3
=
21.7
2.4
=
21.7
2.5
=
21.7
2.6
=
21.7
2.7
=
21.7
2.8
=
21.7
2.9
=
21.8
2
=
21.8
2.1
=
21.8
2.2
=
21.8
2.3
=
21.8
2.4
=
21.8
2.5
=
21.8
2.6
=
21.8
2.7
=
21.8
2.8
=
21.8
2.9
=
21.9
2
=
21.9
2.1
=
21.9
2.2
=
21.9
2.3
=
21.9
2.4
=
21.9
2.5
=
21.9
2.6
=
21.9
2.7
=
21.9
2.8
=
21.9
2.9
=