How to Build Scientific Calculator Using Python class object with math module

*** Speed 1.5 For upper freshers. :)
This video tutorial will help you briefly understand Class and object with the help of python built-in Math module.
this tutorial help you to build a scientific calculator simply and a real class and object tutorial , this is a long video be patience and
Happy coding :)
in this tutorial i am using Python 2.7, math module and Pycharm,
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