//Writer :LearningPen
//Date : 28/9/2014
//MyBolg :http://learningpen.blogspot.com/
//Language : C++
//Software : Dev C++
Discover:
Reference http://www.sourcecodester.com/cc/7937/c-functions-basic-mathematical-operation.html.
In keeping with a few of his code, modified on my own,I additionally use a category construction.
Thanks for utilizing.
MyBlog:http://learningpen.blogspot.com/
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