You mentioned a PDF version, which suggests you're looking for digital access to the textbook. While I can't provide direct links or access to copyrighted materials, I can suggest some legal and legitimate ways to obtain the textbook:
The 12th edition includes a robust appendix on Excel functions (NPV, IRR, PMT, EFFECT). Recreate the book’s tables in Excel to build muscle memory. The book provides a step-by-step example (usually Chapter
The textbook "Ingeniería Económica de DeGarmo" (DeGarmo's Engineering Economy in Spanish) is a well-known resource in the field of engineering economics. The 12th edition, authored by William G. Sullivan, is a comprehensive guide that covers the principles of engineering economy, including cost analysis, depreciation, tax considerations, and more. You mentioned a PDF version, which suggests you're
You might wonder: Is the 12th edition obsolete? The current English edition is the 17th (2020). However, the 12th Spanish edition remains relevant because: Verdict: If your professor mandates the 12th edition,
Verdict: If your professor mandates the 12th edition, do not buy a newer one – the problem sets will not match.
(Interest Factor Tables & Linear Interpolation for Non-Table Rates)