Poly Software International, Inc.

PSI-Plot V. 9
The latest release of the long-running PSI-Plot technical plotting and data processing software, PSI-Plot V. 9, incorporates 30 more features than the previous release, including a new project environment, user-defined macros, real-time plotting, support for Microsoft Access data format, and a Poisson regression function, as well as more than 100 predefined fitting models. With new plot types and axis scales, its plot wizard feature creates user-desired plots in a convenient and intuitive way.

PSI-Plot Version 8.8 for Windows
PSI-Plot Version 8.8 for Windows performs technical plotting and data processing. Its powerful scientific spreadsheet capabilities simplify data analysis and its object-oriented on-screen graphics editor makes designing and modifying graphs user-friendly. This release adds 30 new features to the program, including simplex and Powell methods for nonlinear fitting, dose-response analysis, Weibull analysis, and Kaplan-Meier survival estimates, among many others. It offers an easy-to-use plot wizard that assists users in creating customized plots and plot settings. The variety of available plot types and axis scales has been expanded with this version.