books by subject
Calculus & Mathematical Analysis
The Limits of Mathematics: A course on information theory and the limits of formal reasoning (Discrete Mathematics and Theoretical Computer Science)
Calculus - One and Several Variables: Alternate Version
Variational Principles in Physics
Visual Complex Analysis
Vector Calculus
Numbers and Functions: Steps into Analysis
Div, Grad, Curl, and All That: An Informal Text on Vector Calculus
Mathematics and Its History
Numerical Probability: An Introduction with Applications to Finance
Fundamentals and Advanced Techniques in Derivatives Hedging
Stochastic Calculus: An Introduction Through Theory and Exercises
Calculus of One Variable
Real Analysis
Fields, Flows and Waves: An Introduction to Continuum Models
Twenty-One Lectures on Complex Analysis: A First Course
Mathematical Tapas: Volume 1 (for Undergraduates)
Differential Geometry of Curves and Surfaces
Topology, Calculus and Approximation
Finitely Generated Abelian Groups and Similarity of Matrices over a Field
Metric Spaces
Ordinary Differential Equations: Analysis, Qualitative Theory and Control
Elements of Abstract Analysis
Multivariate Calculus and Geometry
Measure and Integration
Nonlinear Elliptic Partial Differential Equations: An Introduction
Functional Spaces for the Theory of Elliptic Partial Differential Equations
Analysis: From Concepts to Applications
Partial Differential Equations: v. 1: Foundations and Integral Representations
Jump SDEs and the Study of Their Densities: A Self-Study Book
