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!
19
7.5
=
3896296578.788
历史上次计算结果
19
7.5
=
14.4
1.7
=
56.8
3.9
=
11.6
12.1
=
87.1
15.9
=
17.7
5.7
=
98.6
15.7
=
96.8
3.7
=
99.4
13.7
=
77.8
14
=
68.6
9.3
=
78.2
9.8
=
100.6
9.3
=
79.6
1.5
=
41.5
7.7
=
33
6.8
=
79.8
1.6
=
15
1.3
=
70.8
12.2
=
100.6
5.1
=
52.3
4.2
=
10.2
5.7
=
34.8
8.7
=
6.8
5.9
=
89.3
4.1
=
55.6
13
=
90
4
=
28.7
8
=
2.9
6.8
=
15.3
0.5
=
附近的結果
19
7
=
19
7.1
=
19
7.2
=
19
7.3
=
19
7.4
=
19
7.5
=
19
7.6
=
19
7.7
=
19
7.8
=
19
7.9
=
19
8
=
19.1
7
=
19.1
7.1
=
19.1
7.2
=
19.1
7.3
=
19.1
7.4
=
19.1
7.5
=
19.1
7.6
=
19.1
7.7
=
19.1
7.8
=
19.1
7.9
=
19.1
8
=
19.2
7
=
19.2
7.1
=
19.2
7.2
=
19.2
7.3
=
19.2
7.4
=
19.2
7.5
=
19.2
7.6
=
19.2
7.7
=
19.2
7.8
=
19.2
7.9
=
19.2
8
=
19.3
7
=
19.3
7.1
=
19.3
7.2
=
19.3
7.3
=
19.3
7.4
=
19.3
7.5
=
19.3
7.6
=
19.3
7.7
=
19.3
7.8
=
19.3
7.9
=
19.3
8
=
19.4
7
=
19.4
7.1
=
19.4
7.2
=
19.4
7.3
=
19.4
7.4
=
19.4
7.5
=
19.4
7.6
=
19.4
7.7
=
19.4
7.8
=
19.4
7.9
=
19.4
8
=
19.5
7
=
19.5
7.1
=
19.5
7.2
=
19.5
7.3
=
19.5
7.4
=
19.5
7.5
=
19.5
7.6
=
19.5
7.7
=
19.5
7.8
=
19.5
7.9
=
19.5
8
=
19.6
7
=
19.6
7.1
=
19.6
7.2
=
19.6
7.3
=
19.6
7.4
=
19.6
7.5
=
19.6
7.6
=
19.6
7.7
=
19.6
7.8
=
19.6
7.9
=
19.6
8
=
19.7
7
=
19.7
7.1
=
19.7
7.2
=
19.7
7.3
=
19.7
7.4
=
19.7
7.5
=
19.7
7.6
=
19.7
7.7
=
19.7
7.8
=
19.7
7.9
=
19.7
8
=
19.8
7
=
19.8
7.1
=
19.8
7.2
=
19.8
7.3
=
19.8
7.4
=
19.8
7.5
=
19.8
7.6
=
19.8
7.7
=
19.8
7.8
=
19.8
7.9
=
19.8
8
=
19.9
7
=
19.9
7.1
=
19.9
7.2
=
19.9
7.3
=
19.9
7.4
=
19.9
7.5
=
19.9
7.6
=
19.9
7.7
=
19.9
7.8
=
19.9
7.9
=
19.9
8
=