Computing Principles on your Mobile eBook provides a handy portable reference and calculations guide aimed at more experienced or professional readers not wanting the traditional learning reminder in the sister title (learning on your smartphone published by eptsoft) otherwise the overall content is similar and now available as an interactive Tablet and Smartphone App. See Additional Notes at the back of the book for instructions to download the accompanying interactive App which brings the 250+ topics to life by allowing you to insert your own values. Visually on a phone or tablet it looks almost identical to the eBook pages, except you can edit the inputs to update the graphics and hundreds of calculations to reflect those changes all redrawn to scale on your mobile device. There is also an optional comprehensive PC version to download with even more features both applications can be unlocked with your eBook purchase receipt for no additional charge. A combined eBook, App and PC educational package.