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Expert  Average Ratings  Expertise 

Lynn HoustonU.S.
Available

I can answer questions in basic algebra and any grade school math.  
Abe MantellAvailable

Hello, I am a college professor of mathematics and regularly teach all levels from elementary mathematics through differential equations, and would be happy to assist anyone with such questions! 
Hello Aishwarya, These websites should help: http://www.whoinvented.org/whoinventednumbers/ https://en.wikipedia.org/wiki/Number http://www.whoinventedit.net/whoinventednumbers.html http://mathforum