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!
128.4
15
=
4.2508458472765E+31
历史上次计算结果
128.4
15
=
36.3
15.9
=
78.2
2.2
=
25.3
8.2
=
52.3
4.7
=
57.7
2.1
=
82.9
13.6
=
82.8
13.3
=
33
1.6
=
13.9
5.1
=
13.3
1.1
=
13.8
5.5
=
39
8.9
=
65.2
6.4
=
5.2
19.2
=
6.4
2.8
=
6.6
12.3
=
12
2159.5
=
35.4
7.5
=
118.1
12.9
=
47
9.1
=
82.9
13.4
=
13.6
6.7
=
2.5
5.5
=
57.4
2.2
=
24.2
4.7
=
5.5
15.1
=
21.5
10
=
40.3
4.4
=
46.9
4.2
=
附近的結果
128
15
=
128
15.1
=
128
15.2
=
128
15.3
=
128
15.4
=
128
15.5
=
128
15.6
=
128
15.7
=
128
15.8
=
128
15.9
=
128
16
=
128.1
15
=
128.1
15.1
=
128.1
15.2
=
128.1
15.3
=
128.1
15.4
=
128.1
15.5
=
128.1
15.6
=
128.1
15.7
=
128.1
15.8
=
128.1
15.9
=
128.1
16
=
128.2
15
=
128.2
15.1
=
128.2
15.2
=
128.2
15.3
=
128.2
15.4
=
128.2
15.5
=
128.2
15.6
=
128.2
15.7
=
128.2
15.8
=
128.2
15.9
=
128.2
16
=
128.3
15
=
128.3
15.1
=
128.3
15.2
=
128.3
15.3
=
128.3
15.4
=
128.3
15.5
=
128.3
15.6
=
128.3
15.7
=
128.3
15.8
=
128.3
15.9
=
128.3
16
=
128.4
15
=
128.4
15.1
=
128.4
15.2
=
128.4
15.3
=
128.4
15.4
=
128.4
15.5
=
128.4
15.6
=
128.4
15.7
=
128.4
15.8
=
128.4
15.9
=
128.4
16
=
128.5
15
=
128.5
15.1
=
128.5
15.2
=
128.5
15.3
=
128.5
15.4
=
128.5
15.5
=
128.5
15.6
=
128.5
15.7
=
128.5
15.8
=
128.5
15.9
=
128.5
16
=
128.6
15
=
128.6
15.1
=
128.6
15.2
=
128.6
15.3
=
128.6
15.4
=
128.6
15.5
=
128.6
15.6
=
128.6
15.7
=
128.6
15.8
=
128.6
15.9
=
128.6
16
=
128.7
15
=
128.7
15.1
=
128.7
15.2
=
128.7
15.3
=
128.7
15.4
=
128.7
15.5
=
128.7
15.6
=
128.7
15.7
=
128.7
15.8
=
128.7
15.9
=
128.7
16
=
128.8
15
=
128.8
15.1
=
128.8
15.2
=
128.8
15.3
=
128.8
15.4
=
128.8
15.5
=
128.8
15.6
=
128.8
15.7
=
128.8
15.8
=
128.8
15.9
=
128.8
16
=
128.9
15
=
128.9
15.1
=
128.9
15.2
=
128.9
15.3
=
128.9
15.4
=
128.9
15.5
=
128.9
15.6
=
128.9
15.7
=
128.9
15.8
=
128.9
15.9
=
128.9
16
=
129
15
=
129
15.1
=
129
15.2
=
129
15.3
=
129
15.4
=
129
15.5
=
129
15.6
=
129
15.7
=
129
15.8
=
129
15.9
=
129
16
=