Product of Global Estimating Management Systems GEMS General Estimating Tool  7.1.3    The Global Estimating Management Systems (GEMS) approach to accurate estimating is based on Mircrosoft Excel, powerful software with which you are probably already familiar, coupled with Visual Basic for Applications. Going beyond a spreadsheet, GEMS software enables end users to work efficiently, effectively and accurately with minimal training. This smart and simple approach allows you to focus on sales! Estimating Software   General Estimating   Estimating   Estimate   Job Costing   Demo / $249.00 / Download  (3.91 mb)