Poly Software International has released its software package for technical plotting and data processing: PSI-Plot version 8.8 for Windows.
The version 8.8 of PSI-Plot has incorporated al features found in the previous versions plus more than 30 new features. These new features include: new simplex and Powell methods for nonlinear fitting, dose-response analysis, Weibull analysis, Kaplan-Meier survival estimates, more than 100 new predefined fitting models, and many others. New plot wizard will create user desired plot in a more convenient and intuitive way. Several new plot types and new axis scales have also been added in this new version.
Since its first release in September 1992 as a DOS program, PSI-Plot has been used by more than 73,000 scientists and engineers in the United States and around the world.