Calculated Industries builds solid products that are made for the Construction, Real Estate, and Finance Industry. Their constructions calculators are solid and feature-packed. Their plan-measuring tools are accurate and easy to use, and the Digiroller Plus II Distance Measuring Wheel holds up to the task. These tools allow you to become more productive and with ease. You can rely on Calculated Industries Products to get the job done. EngineerSupply is a Factory Authorized Calculated Industries Dealer.