Maxwell Systems.  Estimation 9.1 advanced takeoff and estimating software for electrical, mechanical, plumbing, and HVAC contractors includes new capability for shape recognition in Estimation Digital Takeoff. Shape recognition technology searches a set of construction plans and identifies symbols and shapes so estimators don’t need to do the work manually. Ideal for electrical and HVAC trades, the software counts light fixtures, receptacles, switches, registers, and other items more accurately and quickly. Other new features include area calculators, an improved layers feature, and an expanded annotation library. 800.688.8226. www.maxwellsystems.com.