Engineer Kit Cost: $11 Get the full version     Trial version     Developer's Website Contacting third-party download site please wait. If your download does not start, click here, or get the full version Descriptions Engineer Kit: A must have for any engineer, but not only engineer: PackMetrics and Expression Calculator, are now available in a bundle, at a great price. PackMetrics: A huge collection of conversions between any Metric and US (English) system, units. Expression Calculator:A very useful expression scientific calculator for your Pocket PC. A must have for any engineer or student.