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
7.8
=
222.86094420381
历史上次计算结果
2
7.8
=
90
4.6
=
3.1
12.3
=
6.4
14.3
=
31.6
9.3
=
3.3
12.4
=
9.4
16.2
=
14.8
3.9
=
71.7
2.4
=
152
15.7
=
40.5
5.5
=
48.9
13
=
86.7
14.4
=
20.6
8.2
=
72.1
4
=
84
2.8
=
26.3
20.5
=
148.7
15
=
114.1
16.2
=
11.7
16.3
=
114.2
16.5
=
103.5
12
=
57
3.7
=
6.3
7.3
=
43.4
5.7
=
13.5
8.9
=
73.9
17.6
=
46.5
5.7
=
97.9
6.8
=
46.5
5.4
=
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
=