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The Self-Testing Arithmetic, On A New Plan, Simple And Scientific: Containing The Largest Number Of Exercises Ever Published (1863) is a book written by John Hay. The book is an arithmetic textbook that presents a new approach to teaching arithmetic. The book contains a large... Read Full Overview

The Self-Testing Arithmetic, On A New Plan, Simple And Scientific: Containing The Largest Number Of Exercises Ever Published (1863) is a book written by John Hay. It is a comprehensive guide to arithmetic that introduces a new method of testing oneself on mathematical concepts... Read Full Overview