"The GeoTol Pocket Guide is recently released and is written to the latest ASME Y14.5-2009 standard. The changes and improvements from previous standards are noted so the GeoTol Pocket Guide can be used to interpret the latest or earlier geometric standards as well. 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 geometric tolerancing"--Publisher's website.