No.	Title	Date
1	Active Preparation for Calculus
2	APEX Calculus
3	BUSINESS MATH: A Step-By-Step Handbook
4	Business Statistics
5	Calculus Volume 1
6	Calculus: early transcendentals
7	College Algebra
8	Discrete Mathematics: An Open Introduction
9	Fundamentals of Mathematics
10	Introduction to the Modeling and Analysis of Complex Systems
11	Introductory Statistics
12	Introductory Statistics
13	Linear Algebra
14	Math 021 Introductory Algebra, Third Edition
15	Math in Society
16	Mostly Harmless Statistics
17	The Ordinary Differential Equations Project
18	Precalculus