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!
15
7.8
=
1491117340.1566
历史上次计算结果
15
7.8
=
96.6
7.4
=
6.4
12.2
=
45
11.2
=
53.7
3.2
=
69.4
8.5
=
66.5
7.1
=
45.3
8.4
=
36.3
12.5
=
14.3
1
=
78.6
9.5
=
66.4
7.8
=
77
15.3
=
58.6
7.7
=
68.4
9.2
=
93.3
14.7
=
9
276.7
=
5.2
8.9
=
13.7
2160
=
85.2
15.6
=
43.6
9.3
=
65.2
5
=
23.3
13.8
=
78.4
9.7
=
77.5
12
=
68
15.6
=
86
8.3
=
76.9
10
=
97.6
9.8
=
27.8
10.3
=
附近的結果
15
7
=
15
7.1
=
15
7.2
=
15
7.3
=
15
7.4
=
15
7.5
=
15
7.6
=
15
7.7
=
15
7.8
=
15
7.9
=
15
8
=
15.1
7
=
15.1
7.1
=
15.1
7.2
=
15.1
7.3
=
15.1
7.4
=
15.1
7.5
=
15.1
7.6
=
15.1
7.7
=
15.1
7.8
=
15.1
7.9
=
15.1
8
=
15.2
7
=
15.2
7.1
=
15.2
7.2
=
15.2
7.3
=
15.2
7.4
=
15.2
7.5
=
15.2
7.6
=
15.2
7.7
=
15.2
7.8
=
15.2
7.9
=
15.2
8
=
15.3
7
=
15.3
7.1
=
15.3
7.2
=
15.3
7.3
=
15.3
7.4
=
15.3
7.5
=
15.3
7.6
=
15.3
7.7
=
15.3
7.8
=
15.3
7.9
=
15.3
8
=
15.4
7
=
15.4
7.1
=
15.4
7.2
=
15.4
7.3
=
15.4
7.4
=
15.4
7.5
=
15.4
7.6
=
15.4
7.7
=
15.4
7.8
=
15.4
7.9
=
15.4
8
=
15.5
7
=
15.5
7.1
=
15.5
7.2
=
15.5
7.3
=
15.5
7.4
=
15.5
7.5
=
15.5
7.6
=
15.5
7.7
=
15.5
7.8
=
15.5
7.9
=
15.5
8
=
15.6
7
=
15.6
7.1
=
15.6
7.2
=
15.6
7.3
=
15.6
7.4
=
15.6
7.5
=
15.6
7.6
=
15.6
7.7
=
15.6
7.8
=
15.6
7.9
=
15.6
8
=
15.7
7
=
15.7
7.1
=
15.7
7.2
=
15.7
7.3
=
15.7
7.4
=
15.7
7.5
=
15.7
7.6
=
15.7
7.7
=
15.7
7.8
=
15.7
7.9
=
15.7
8
=
15.8
7
=
15.8
7.1
=
15.8
7.2
=
15.8
7.3
=
15.8
7.4
=
15.8
7.5
=
15.8
7.6
=
15.8
7.7
=
15.8
7.8
=
15.8
7.9
=
15.8
8
=
15.9
7
=
15.9
7.1
=
15.9
7.2
=
15.9
7.3
=
15.9
7.4
=
15.9
7.5
=
15.9
7.6
=
15.9
7.7
=
15.9
7.8
=
15.9
7.9
=
15.9
8
=
16
7
=
16
7.1
=
16
7.2
=
16
7.3
=
16
7.4
=
16
7.5
=
16
7.6
=
16
7.7
=
16
7.8
=
16
7.9
=
16
8
=