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
17
=
3.0041942495082E+22
历史上次计算结果
30.6
9.9
=
21
17
=
3.9
9.8
=
15.9
8.4
=
8.2
14.4
=
70.1
7.9
=
22.6
2.8
=
68.4
13
=
2.3
3
=
20.4
9.2
=
84.3
20.5
=
67.1
14.9
=
73.2
19.5
=
14.8
2160
=
5
11.3
=
67.3
14.2
=
59.6
10.7
=
67.9
9.2
=
91.8
7.6
=
36.1
13
=
66.8
9.7
=
93.4
17
=
99.5
12.5
=
115.2
13
=
67.9
14.7
=
72.3
10.9
=
29.8
12.5
=
8.5
13.7
=
37.5
14.1
=
67.7
14.5
=
附近的結果
21
17
=
21
17.1
=
21
17.2
=
21
17.3
=
21
17.4
=
21
17.5
=
21
17.6
=
21
17.7
=
21
17.8
=
21
17.9
=
21.1
17
=
21.1
17.1
=
21.1
17.2
=
21.1
17.3
=
21.1
17.4
=
21.1
17.5
=
21.1
17.6
=
21.1
17.7
=
21.1
17.8
=
21.1
17.9
=
21.2
17
=
21.2
17.1
=
21.2
17.2
=
21.2
17.3
=
21.2
17.4
=
21.2
17.5
=
21.2
17.6
=
21.2
17.7
=
21.2
17.8
=
21.2
17.9
=
21.3
17
=
21.3
17.1
=
21.3
17.2
=
21.3
17.3
=
21.3
17.4
=
21.3
17.5
=
21.3
17.6
=
21.3
17.7
=
21.3
17.8
=
21.3
17.9
=
21.4
17
=
21.4
17.1
=
21.4
17.2
=
21.4
17.3
=
21.4
17.4
=
21.4
17.5
=
21.4
17.6
=
21.4
17.7
=
21.4
17.8
=
21.4
17.9
=
21.5
17
=
21.5
17.1
=
21.5
17.2
=
21.5
17.3
=
21.5
17.4
=
21.5
17.5
=
21.5
17.6
=
21.5
17.7
=
21.5
17.8
=
21.5
17.9
=
21.6
17
=
21.6
17.1
=
21.6
17.2
=
21.6
17.3
=
21.6
17.4
=
21.6
17.5
=
21.6
17.6
=
21.6
17.7
=
21.6
17.8
=
21.6
17.9
=
21.7
17
=
21.7
17.1
=
21.7
17.2
=
21.7
17.3
=
21.7
17.4
=
21.7
17.5
=
21.7
17.6
=
21.7
17.7
=
21.7
17.8
=
21.7
17.9
=
21.8
17
=
21.8
17.1
=
21.8
17.2
=
21.8
17.3
=
21.8
17.4
=
21.8
17.5
=
21.8
17.6
=
21.8
17.7
=
21.8
17.8
=
21.8
17.9
=
21.9
17
=
21.9
17.1
=
21.9
17.2
=
21.9
17.3
=
21.9
17.4
=
21.9
17.5
=
21.9
17.6
=
21.9
17.7
=
21.9
17.8
=
21.9
17.9
=