Downloading copyrighted material without authorization is illegal and unfair to the authors who spent years compiling the data.
Check online student forums or local buy-and-sell groups. Physical copies are often sold at a fraction of the original price.
If you are on a tight budget but need the material, consider these alternatives:
Are you studying for a or looking for a particular chapter like Depreciation or Annuities?
Why "Engineering Economy" by Matias Arreola is a Student Favorite
Most engineering departments keep several copies of Arreola’s book in the reserve section. You can scan specific chapters for personal study.
