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Study Topics

Are you aware of every sub-discipline in the category of mathematics? Perhaps not.


You might discover something very exciting that you didn't know existed!


This page deals with geometry in a much more analytical fashion than the geometry topics normally presented in Prealgebra  courses. The topics in this department are introduced in most Pre-Calculus courses.

For a serious lifelong learner, the subject of geometry is vast and varied. It seems that my personal interest in geometry stems from the fact that so much of it can be portrayed visually. I've demonstrated this in a rather primitive (but fun) fashion in my book, Experiments in Four Dimensions

Note: Some of these tutorials might require a PDF reader. If you do not have an the Adobe Acrobat Reader installed on your device, you can download a free copy here. Many also require the Google Play app for mobile devices.




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More Math at Free-Ed.Net

General Mathematics

Arithmetic and Basic Math



College Algebra




Differential Equations

Statistics and Probability

Linear Algebra


David L. Heiserman, Editor

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All Rights Reserved

Revised: June 06, 2015