Mrachek, Leonard books & textbook
Practical Mathematics
Palmer, Claude Irwin Mrachek, Leonard A.
McGraw-Hill Science/Engineering/Math /1985-11-01 Hardcover / 542 Pages
isbn-10: 0070482543 / isbn-13: 9780070482548
Technical Vocational Mathematics
Prentice Hall /1978-01-01 Paperback / 312 Pages
isbn-10: 0138985693 / isbn-13: 9780138985691