"The only way to LEARN, is to DO." Arthur Taff is a #1 best selling author focused on math topics. He is well known in the IT & mathematics fields, running a very popular blog and forum with millions of active users worldwide. For years, Arthur has taught math theories and formulas, and now you can get your hands on his sought-after advice through his books. Learn more by scrolling down the page and buying one of his best selling books today...Read more Read less
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