An Electronic Lab Notebook (ELN) is a software tool that in its most basic form replicates an interface much like a page in a paper lab notebook. In an ELN you can enter protocols, observations, notes, and other data using your computer or mobile device. eLab, provided by Tru-Solutions, is medical diagnostic center and lab management software. The solution helps users complete various daily tasks including inventory management, financial transactions, billing and reporting.