Phil's (free) eBooks ... your choice!

All books are basically the same with a few differing pages as their titles suggest.
  The CEO book is for CEOs!
  "Engineering ... Students" book is for Professors and Students; and
  "Engineering Design Optimization using Calculus ..." book is for all others (standard version).

Phil's (free) eBooks ... Warning!!
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Phil's (free) eBooks:
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Company Goal: Increase Productivity? (1 mb) Click here to Download ... It's Free! Has example of an Oil Refinery that increased it's productivity, maybe others could do the same!	Engineering Design Optimization using Calculus ... (4 mb) Click here to Download ... It's Free! It has some errors: Chapter Alignment and some math symbols aren't visible.
	Implicit and Explicit Differential Equations: shows how to solve them in minutes.
	Boundary and Initial Value Problems: shows how to solve them in minutes.
	Tweaking Parameters: shows how hundreds of equations may have their parameters tweaked in a single run.