Trigonometry & geometry are the maths of construction. A book was needed that could be read & understood by construction workers. 'Pipe Fitter's Math Guide' is such a book. It explains practical geometry & trigonometry in simple understandable language. Standard math terms are used when necessary. The author has created an atmosphere that talks you through the learning process. The care that has been taken to avoid misunderstanding is obvious. The first module is a basic course in math & trigonometry. The second module shows how that math is applied to solve problems in the piping trade. Both modules have examples & practice problems for the student with the answers to the problems in the back of the book. Written by a practicing pipe fitter for the pipe trades but used by many other trades because of the easy learning curve.