Undergrad Math


Calculus
Ordinary Differential Equations (Mit Press)
Proofs from the Book
Fourier Analysis: An Introduction (Princeton Lectures in Analysis, Volume 1)
Vector Calculus, Linear Algebra, and Differential Forms: A Unified Approach
Linear Algebra Done Right (Undergraduate Texts in Mathematics)
Visual Complex Analysis
Elementary Number Theory
Real Analysis: A Long-Form Mathematics Textbook
A Portrait of Linear Algebra
Introduction to Differential Geometry of Space Curves and Surfaces
Linear Algebra
Advanced Calculus (Dover Books on Mathematics)
Introduction to Nonlinear Differential and Integral Equations (Dover Books on Mathematics)
The Qualitative Theory of Ordinary Differential Equations: An Introduction (Dover Books on Mathematics)