Illustrating this learn node is an image from a game of sorting out different kinds of numbers in the Monterey Institute’s National Repository of Online Course: Introductory Algebra 1A, Unit 1, Lesson 1. A detailed explanation of The Real Number System is available from an online algebra text by James Brennan of Boise State University. Purplemath’s Number Types page explains the classification of numbers. These places to learn the ways numbers are categorized each are connected to other open sources for related subjects and ideas. Purplemath offers reviews of Other Sites of Interest.
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