A computerized interactive tool for developing a software product that provides estimates of the final lines of code of the software product at several points during the software development process to properly allocate programming effort resources. The estimates converge with actual results...http://www.google.de/patents/US5729746?utm_source=gb-gplus-sharePatent US5729746 - Computerized interactive tool for developing a software product that provides convergent metrics for estimating the final size of the product throughout the development process using the life-cycle model 
