$ python Python 2.7.2+ (default, Jul 20 2012, 22:12:53) [GCC 4.6.1] on linux2 Type "help", "copyright", "credits" or "license" for more information. >>> 2.**.5 1.4142135623730951 >>> import math >>> math.sqrt(2) 1.4142135623730951 >>>
如何在python中算根号2
1、创建python文件，testmath.py；
2、编写python代码，计算根号2；
import math
print(math.sqrt(2))
3、右击，选择‘在终端中运行Python文件’；
4、查看执行结果为1.4142135623730951；
2020-02-13
$ python
Python 2.7.2+ (default, Jul 20 2012, 22:12:53)
[GCC 4.6.1] on linux2
Type "help", "copyright", "credits" or "license" for more information.
>>> 2.**.5
1.4142135623730951
>>> import math
>>> math.sqrt(2)
1.4142135623730951
>>>2013-10-24
导入数学模块,用sqrt函数计算
import math
print(math.sqrt(2))2013-10-24
x**0.5 或者 math.pow(x, 0.5)2013-11-15
还有一个
pow(2, .5)2013-10-24
