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Introducing the launch of our new GD&T android app.  Available in both full and lite version: This new mobile GD&T app for android is a guide to the ASME Y14.5 Geometric Dimensioning and Tolerancing standard.  It is written to the latest ASME Y14.5-2009 standard. The changes and improvements from previous standards are noted so the GeoTol Pro Digital Guide can be used to interpret earlier geometric tolerancing standards as well. The guide contains 70 pages with the graphics in full color to make the concepts and tolerance zones easier to visualize. It has a table of contents for a quick search to necessary information. The guide also contains a formula page for converting hole X and Y deviations to position tolerance zones. The pocket guide is a necessary companion and a ideal reference to the major concepts and necessary formulas that are used every day by people working with GD&T. Purchase the guide from the Android Marketplace. Also available is the free “lite” version that can be used as a preview to our full GD&T app. For the I-phone users, we also have an I-phone application that is due out soon.