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Basic Algebra

Learn the basic skills needed to tackle harder algebra topics. Become an expert in fractions, exponents, sign rules and order of operations.

Basic Algebra

Algebra I

This course will teach you the foundations of all math courses from high school to college. Most of math’s more challenging problems rely on the mastering of variable operations, solving equations and inequalities, interpreting graphs and analyzing functions.

Algebra I

Algebra USer’s Manual

Get our Algebra book with 150 very detailed solved problems showing every single step to get to the answer. Designed to be your best tool to learn the most important algebra rules and to improve your equation solving skills.

Algebra User's Manual
Front picture of Gabriel Rojas the author of the book and website

Gabriel G. Rojas P.

Author and creator of mathusermanual.com

Hi there! This is Gabriel, the author. I am so excited to share my passion for math and teaching. 

After working several years at schools, colleges, and private tutoring sessions in different countries, I have received a lot of positive feedback from my students who love my teaching style. So, I asked myself: why not reach out to more students around the world and help them learn math in a fun and easy way? That is why I created Math User’s Manual, in which I share my tips and tricks for math learning.

My journey started by writing a book, the Algebra User’s Manual. Then, I created instructional videos for different schools. Eventually, I decided to make my own videos for a website to help anyone who struggled with math problems. Sometimes, finding the X is not an easy task, and having our Math Support Dog is the best way to make it through.

That leads me to answer the most challenging question from my math book: why a dog on the front cover? Well, that is a problem even I cannot solve. Just kidding! I wanted to show that math can be fun and approachable, and a friendly non-scary subject as many believe. Since I have owned a good share of dogs, I thought why not put one on.