Digital library
Textbooks, references and open learning resources.

External
Precalculus
Carl Stitz & Jeff Zeager · Lakeland Community College & Lorain County Community College
In the contents: 02: Linear and Quadratic Functions · 2.0E: 2.E: Linear and Quadratic Functions (Exercises) · 2.01: Linear Functions

External
Introductory Physics: Building Models to Describe Our World
Ryan D. Martin, Emma Neary, Joshua Rinaldo, and Olivia Woodman · Queen's University
In the contents: 6.02: Linear motion · 10: Linear Momentum and the Center of Mass · 25.03: Vector algebra

External
Contemporary Mathematics
OpenStax · OpenStax
In the contents: 05: Algebra · 5.01: Algebraic Expressions · 5.02: Linear Equations in One Variable with Applications

External
Elementary Trigonometry
Michael Corral · Schoolcraft College
In the contents: 4.04: Circular Motion- Linear and Angular Speed

External
Math 125: Hope College
Katharine Vance · Hope College
In the contents: 01: Algebra Essentials · 1.01: Real Numbers - Algebra Essentials · 1.08: Linear Equations in One Variable

External
Complex Variables with Applications
Jeremy Orloff · Massachusetts Institute of Technology
In the contents: 01: Complex Algebra and the Complex Plane · 1.02: Fundamental Theorem of Algebra · 11.07: Fractional Linear Transformations

External
Mathematics for Computer Science
Eric Lehman, F. Thomson Leighton, & Alberty R. Meyer · Google and Massachusetts Institute of Technology
In the contents: 3.04: The Algebra of Propositions · 9.08: Linear Orders · 15.04: Solving Linear Recurrences

External
Math C180: Calculus I (Nguyen)
Math C180: Calculus I · Son Nguyen
In the contents: 4.11: Linear Approximations and Differentials

External
Trigonometry
CK-12 Foundation · LibreTexts
In the contents: 2.2.06: Inverse Trig Functions using Algebra · 2.4.06: Trig Functions as Algebra Expressions · 3.2.06: Solving Trigonometric Equations Using Basic Algebra

External
Your Guide to Intermediate Algebra
Stanislav Trunov · Kansas State University
In the contents: 1.05: Solve Linear Inequalities · 03: Linear Equations and Graphs · 3.01: Use a General Strategy to Solve Linear Equations

External
Precalculus: Algebra and Trigonometry (Math 4 - FCC)
David Yang, Jeremy Brandl, Laurel Blackerby-Slater, Leila Nabi & Nate Allen · Fresno City College
In the contents: 1.01: Solving Linear Equations · 1.07: Solving Linear Inequalities · 03: Linear and Absolute Value Functions

External
College Algebra (NWTC)
Northeast Wisconsin Technical College · College Algebra (NWTC)
In the contents: 02: Linear Functions · 2.01: Linear Functions · 2.1E: Linear Functions (Exercises)

External
Business Calculus with Excel
Mike May, S.J. & Anneke Bart · Saint Louis University
In the contents: 1.01: Linear Functions and Models · 2.02: Nonlinear Functions · 3.03: Local Linearity

External
NBAS022 - Geometry
JJ Johnson · Rio Hondo College
In the contents: 01: Algebra Review · 1.08: Use a General Strategy to Solve Linear Equations · 1.10: Solve Linear Inequalities

External
College Physics
OpenStax · LibreTexts
In the contents: 08: Linear Momentum and Collisions · 8.00: Prelude to Linear Momentum and Collisions · 8.01: Linear Momentum and Force

External
Math, Numerics, and Programming (for Mechanical Engineers)
Masayuki Yano, James Douglass Penn, George Konidaris, & Anthony T Patera · Massachusetts Institute of Technology
In the contents: 03: Unit III - Linear Algebra 1 - Matrices Least Squares and Regression · 16.04: Further Concepts in Linear Algebra · 18: Matlab Linear Algebra (Briefly)

External
Computational Biology - Genomes, Networks, and Evolution
Manolis Kellis et al. · Massachusetts Institute of Technology
In the contents: 3.04: Linear-time exact string matching · 3.06: Pre-processing for linear-time string matching · 20.03: Linear Algebra Review

External
Intermediate Algebra for Science, Technology, Engineering, and Mathematics
Darlene Diaz · Santiago Canyon College
In the contents: 01: Linear Equations · 1.01: Linear Equations · 1.05: Linear Equations- Answers to the Homework Exercises

External
Corequisite Precalculus
Katherine Skelton · Highline College
In the contents: 02: Algebra Support · 2.01: Real Numbers Linear Inequalities and Interval Notation · 3.02: Solving Nonlinear Inequalities

External
Quantitative Methods for Plant Breeding
Walter Suza and Kendall Lamkey · Iowa State University
In the contents: 1.07: Linear Correlation Regression and Prediction · 1.14: Nonlinear Regression · 1.16: Algebra Review Guide