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!
2.8
7.8
=
3074.9116681189
历史上次计算结果
2.8
7.8
=
85.4
14.4
=
30
7.8
=
13.4
8
=
93.9
3.7
=
7.6
6.3
=
47.2
16
=
26
20.4
=
31.3
4.9
=
2.8
2.7
=
13.4
6.5
=
104.5
18.3
=
22.3
4.6
=
13.7
6.2
=
63.7
10.7
=
7.9
12.4
=
55.7
14.5
=
59.1
13.7
=
69.1
8.8
=
101.3
3.8
=
83.3
20.6
=
34.6
20
=
2.4
7.2
=
8.3
12.5
=
36.7
7
=
27.3
9.4
=
37
13.8
=
15.7
3
=
66.3
10
=
6.4
15
=
附近的結果
2
7
=
2
7.1
=
2
7.2
=
2
7.3
=
2
7.4
=
2
7.5
=
2
7.6
=
2
7.7
=
2
7.8
=
2
7.9
=
2
8
=
2.1
7
=
2.1
7.1
=
2.1
7.2
=
2.1
7.3
=
2.1
7.4
=
2.1
7.5
=
2.1
7.6
=
2.1
7.7
=
2.1
7.8
=
2.1
7.9
=
2.1
8
=
2.2
7
=
2.2
7.1
=
2.2
7.2
=
2.2
7.3
=
2.2
7.4
=
2.2
7.5
=
2.2
7.6
=
2.2
7.7
=
2.2
7.8
=
2.2
7.9
=
2.2
8
=
2.3
7
=
2.3
7.1
=
2.3
7.2
=
2.3
7.3
=
2.3
7.4
=
2.3
7.5
=
2.3
7.6
=
2.3
7.7
=
2.3
7.8
=
2.3
7.9
=
2.3
8
=
2.4
7
=
2.4
7.1
=
2.4
7.2
=
2.4
7.3
=
2.4
7.4
=
2.4
7.5
=
2.4
7.6
=
2.4
7.7
=
2.4
7.8
=
2.4
7.9
=
2.4
8
=
2.5
7
=
2.5
7.1
=
2.5
7.2
=
2.5
7.3
=
2.5
7.4
=
2.5
7.5
=
2.5
7.6
=
2.5
7.7
=
2.5
7.8
=
2.5
7.9
=
2.5
8
=
2.6
7
=
2.6
7.1
=
2.6
7.2
=
2.6
7.3
=
2.6
7.4
=
2.6
7.5
=
2.6
7.6
=
2.6
7.7
=
2.6
7.8
=
2.6
7.9
=
2.6
8
=
2.7
7
=
2.7
7.1
=
2.7
7.2
=
2.7
7.3
=
2.7
7.4
=
2.7
7.5
=
2.7
7.6
=
2.7
7.7
=
2.7
7.8
=
2.7
7.9
=
2.7
8
=
2.8
7
=
2.8
7.1
=
2.8
7.2
=
2.8
7.3
=
2.8
7.4
=
2.8
7.5
=
2.8
7.6
=
2.8
7.7
=
2.8
7.8
=
2.8
7.9
=
2.8
8
=
2.9
7
=
2.9
7.1
=
2.9
7.2
=
2.9
7.3
=
2.9
7.4
=
2.9
7.5
=
2.9
7.6
=
2.9
7.7
=
2.9
7.8
=
2.9
7.9
=
2.9
8
=