The Abacus : The World's First Computing System

Jesse Dilson
Paperback - $26.95

The world's first computing system, the abacus was an ingenious invention designed to perform speedy calculations through the movement of beads on a series of rods. The new edition of Dilson's marvelous book is even more user-friendly that the origin ...

TI-83 Plus Graphing Calculator for Dummies

C. C. Edwards
Paperback - $26.95

Use this cool tool to perform dozens of tasks!

Do simple and complex calculations, analyze loans, even send files to your PC

Nothing can crunch numbers like your TI-83 Plus, and this handy guide makes the crunching easy! In no time you'll be pu ...

TI-84 Plus Graphing Calculator for Dummies

C. C. Edwards
Paperback - $26.95

With tips that work for earlier versions, too

Get a handle on the tool that does everything from basic math to probabilities!

Count yourself fortunate to have found this book! It'll help you squeeze all the value from this handy device that not ...

Ti-89 Graphing Calculator for Dummies

C. C. Edwards
Paperback - $33.95

Get up to speed easily with your TI-89 Titanium

Use advanced science and math applications, PDA functions, and more

Your TI-89 Titanium graphing calculator is an amazing tool, and this plain-English guide gets you up and running on all the th ...