Math
Department of Energy: Fundamental Handbook Mathematics.pdf
The Department of Energy Fundamentals Handbook entitled Mathematics was prepared as an information resource for personnel who are responsible for the operation of the Department’s nuclear facilities. A basic understanding of mathematics is necessary for DOE nuclear facility operators, maintenance personnel, and the technical staff to safely operate and maintain the facility and facility support systems. The information in the handbook is presented to provide a foundation for applying engineering concepts to the job. This knowledge will help personnel more fully understand the impact that their actions may have on the safe and reliable operation of facility components and systems.
GRE Mathematics Test Practice Book.pdf
GRE Subject Test questions are designed to measure skills and knowledge gained over a long period of time. Although you might increase your scores to some extent through preparation a few weeks or months before you take the test, last minute cramming is unlikely to be of further help.
Calculus Unlimited.pdf
This book is for calculus instructors and students interested in trying an alternative to limits. The prerequisites are a knowledge of functions, graphs, high school algebra and trigonometry.
Calculus.pdf
This Calculus text book is a useful resource for educators and self-learners alike. It is well organized, covers single variable and multivariable calculus in depth, and is rich with applications.
Classical Geometry - Lecture Notes.pdf
Lecture Notes of Classical Geometry, prepared by Danny Calegari, contains classical geometry theorems, lemmas, definitions etc..

