Linear Algebra with Applications (9th Edition) by Steven J. Leon is a comprehensive resource for sophomore-level or junior/senior-level first courses in linear algebra, assuming calculus as a prerequisite. Authored by one of the leading figures in the use of technology in linear algebra, this thorough and accessible text provides students with a challenging and broad understanding of the subject. Key concepts are infused with modern practical applications to offer examples of how mathematics is used in the real world. Each chapter contains integrated worked examples and chapter tests, emphasizing the important roles geometry and visualization play in comprehending linear algebra.