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!
128.5
15
=
4.3007769060866E+31
历史上次计算结果
128.5
15
=
80.8
12
=
2.6
4.5
=
2.7
5.3
=
57.8
2.9
=
43.1
18.9
=
5.7
13
=
4.3
11.1
=
76.5
14.2
=
11.6
5.2
=
5.7
12.3
=
81.8
13
=
53.4
3.3
=
20.6
10.4
=
84
15.7
=
82.8
13.6
=
1.3
17.5
=
3.7
4.7
=
57.9
2.5
=
12.4
9.3
=
13.3
5.6
=
82.5
14
=
44.8
8.4
=
94.4
6.4
=
89.4
16.6
=
54.5
9.6
=
57.9
2
=
76.4
7.4
=
6.6
13.6
=
32
7.6
=
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
=