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We have loaded this section full of informative descriptions, interactive math lessons, and sample problems in some of the most challenging math topics.

Paul's Online Math Notes

The intent of this site is to provide a complete set of free online (and downloadable) notes and/or tutorials for classes that I teach at Lamar University.


Webmath is a math-help web site that generates answers to specific math questions and problems, as entered by a user, at any particular moment.

The Art of Problem Solving Videos

AoPS Online offers rigorous, high-quality math curriculum and online classes for middle and high school students to help them expand and deepen their mathematical thinking.

Purple Math

 Purplemath's algebra lessons are informal in their tone, and are written with the struggling student in mind.

Math Help: is dedicated to providing revolutionary ways for students, parents, teachers, and everyone to learn math. Combining educationally sound principles with proprietary technology, offers a unique experience that quickly guides the user to the solutions they need and the products they want

Online Graphing Calculator:

Online graphing calculator

Math Goodies

Math lessons are designed to make math meaningful to the student. Each math lesson provides in-depth instruction ideal for learners of all ages and abilities


Mathway provides students with the tools they need to understand and solve their math problems.

John B Alexander Four Year Plan

Contact Information

United (MS)
700 E. Del Mar Blvd
Laredo, Texas 78045
Phone: 956-473-7300
Fax: 956-473-7399