Algebra has long been a fundamental part of any high school math curriculum. In many places it's become a fundamental part of the middle school math curriculum, too. In recent years, more students ...

The same method is used for adding and subtracting numerical fractions or algebraic fractions. Find a common denominator Write each fraction as an equivalent fraction with that common denominator ...

In algebra, letters are used when numbers are not known. Algebraic terms, such as \(2s\) or \(8y\), leave the multiplication signs out. So rather than \(2 \times s\), write \(2s\), and rather than \(8 ...

Explore a wide range of recent research in mathematics. From mathematical modeling to why some people have difficulty learning math, read all the math-related news here.

Department of Mathematical Sciences Carnegie Mellon University Wean Hall 6113 Pittsburgh, PA 15213 412-268-2545 ...

The field of mathematics uses patterns, reasoning and other concepts to solve problems. Subjects include pure and applied mathematics, and statistics and probability. Students interested in ...

Introduction to Linear Algebra, Fourth Edition includes challenge problems to complement the review problems that have been highly praised in previous editions. The basic course is followed by seven ...

Linear Algebra Done Right, 3rd Edition: Solutions Most solutions here are of my own authorship, but some were done with the help of this site. The notes.md in each chapter folder (the ones that do ...