Mathematics Calculus Made Easy by Silvanus P. Thompson Complex Analysis - A Visual and Interactive Introduction by Juan Carlos Ponce Campuzano Immersive Linear Algebra by J. Ström, K. Åström, and T. Akenine-Möller An Introduction to Lagrange Multipliers by Steuard Jensen

Writing The Art of LaTeX: Common Mistakes, and Advice for Typesetting Beautiful, Delightful Proofs by Fan Pu Zeng The Most Common Habits from more than 200 English Papers written by Graduate Chinese Engineering Students by Felicia Brittman A log file on common writing mistakes of students by Soung-Chang Liew