Schaum's outline of theory and problems of digital principles (Schaum's vocational and technical series) By Tokheim, Roger L. Books / Paperback Books ISBN: 0070649286 / Publisher: McGraw-Hill, January 1980 Price Starting at $18.30 Free Shipping Send to a friend Add to Wishlist Below is a list of products arranged by condition. Select the quantity of the product you desire and click the "Add" button. Used - Good Good condition. (electronics, electrical engineering, computer science) $18.30 1 in Stock at Warehouse Quantity Add Free Shipping to continental U.S. OR $1.00 per item discount if shipped to store. Reviews Goodreads reviews for Schaum's outline of theory and problems of digital principles (Schaum's vocational and technical series)