# Free resources for learning differential equations

Keep in mind that it's not enough to watch videos, you must also engage with problems. You can find problem sets in the courses or textbooks linked below.

Playlists and digital courses:

Textbooks:

- Introductory Notes in Ordinary Differential Equations for Physical Sciences and Engineering

by Marcel B. Finan

PDF - A First Course in Quasi-Linear Partial Differential Equations for Physical Sciences and Engineering

by Marcel B. Finan

PDF - A First Course in Quasi-Linear Partial Differential Equations for Physical Sciences and Engineering Solution Manual

by Marcel B. Finan

PDF - Calculus and Linear Algebra. Vol. 2: Vector Spaces, Many-Variable Calculus, and Differential Equations

by Wilfred Kaplan and Donald J. Lewis

PDF