books by subject
Calculus & Mathematical Analysis

Teach Yourself Calculus (TYM)

A Radical Approach to Lebesgue's Theory of Integration

Weird Maths: At the Edge of Infinity and Beyond

Elementary Differential Equations and Boundary Value Problems

Solving Differential Equations in R

Spectral Methods in MATLAB

Data Analysis Using Regression and Multilevel/Hierarchical Models

Modelling Potential Crop Growth Processes: Textbook with Exercises

Further Calculus

The Essence of Chaos

Practical Nonparametric Statistics

Programming in Haskell

International GCSE – IGCSE Mathematics for Edexcel

Numerical Methods of Statistics

Precalculus: Mathematics for Calculus, International Metric Edition

BTEC: Calculus III

Analysis II

Differentation: Making it Work

Calculus with Analytic Geometry

Undergraduate Analysis

Economic Dynamics

Theory of Hierarchical Multilevel Systems

How to Ace Calculus: The Streetwise Guide

Cambridge IGCSE™ Maths Revision Guide (Collins Cambridge IGCSE™) (Collins Cambridge IGCSE (TM))

Elementary Differential Equations

A Mathematician's Apology

DIV GRAD CURL 1E PA

Introductory Methods of Numerical Analysis

Postmodern Analysis
