Number Systems A Modern Introduction Author:Mervin L. Keedy Part of the Addison-Wesley Series in Mathematics. — "At the beginning, this text is not highly rigorous, but the rigor increases fairly gradually, so that the student may have a chance to grow and develop as he gains experience. There has been an earnest attempt to make the exposition clear and gradual...no prerequisite is assumed beyond two year... more »s of high school mathematics, including algebra and geometry. After completing this book the student should have a good basic understanding of the properties of the various number systems treated here."« less