Digital library
Textbooks, references and open learning resources.

External
Applied Discrete Structures
Al Doerr & Ken Levasseur · University of Massachusetts Lowell
In the contents: 1.03: Cartesian Products and Power Sets · 2.03: Partitions of Sets and the Law of Addition

External
Introduction to Quantum Mechanics
Delmar Larsen · University of California, Davis
In the contents: 03. The Schrodinger Equation and a Particle In a Box · 3.04: The Quantum Mechanical Free Particle · 3.06: The Energy of a Particle in a Box is Quantized

External
Introduction to Operations Management
Mary Drane and Hamid Faramarzi · Seneca College of Applied Arts and Technology
In the contents: 5.2.01: Walter Shewhart (1891-1967) · 5.5.03: Control Charts · 5.5.04: Pareto Charts

External
Math C280: Calculus III
Chau D. Tran · coastline
In the contents: 03: Functions of Multiple Variables and Partial Derivatives · 3.04: Partial Derivatives · 3.4E: Partial Derivatives (Exercises)

External
CHEM-UA 127: Advanced General Chemistry I
Mark E. Tuckerman · New York University
In the contents: 1.07: The Schrodinger equation- Predicting energy levels and the particle-in-a-box model · 1.08: Particles in Two-Dimensional Boxes · 1.09: Particles in Three-Dimensional Boxes

External
Child Development
Lumen Learning · LibreTexts
In the contents: 06: Module 4- Theories (Part I) · 07: Module 5- Theories (Part II)

External
MATH 95: Elementary Algebra II
Melissa Halling · Minnesota State Community and Technical College
In the contents: 1.1.02: Solving Linear Equations- Part 1 · 1.1.03: Solving Linear Equations- Part II

External
General Psychology
Antoniette Aizon · Madera Community College
In the contents: 4.04: Parts of the Nervous System · 8.13: Parts of the Brain Involved with Memory

External
Phase Relations in Reservoir Engineering
Michael Adewumi · The Pennsylvania State University
In the contents: 15.01: Homogeneous Functions, Euler's Theorem and Partial Molar Quantities