Our website provides a free download of EASY-FIT Express 1.4.1. The actual developer of the free program is Klaus Schittkowski. The program belongs to Education Tools. The most popular versions among the software users are 1.3, 1.1 and 1.0.
From the developer:
EASY-FIT Express is an interactive software system to identify parameters dynamical systems of equations. Proceeding from given experimental data, i.e., observation times and measurements, the minimum least squares distance of measured data from a fitting criterion, is computed.
You may want to check out more software, such as Outlook Express Backup Genie, Resend Message for Outlook Express & Windows Mail or Express Thumbnail Creator, which might be related to EASY-FIT Express.