PSI-Plot 9 is technical plotting and data processing software. Its features include a project environment that links data sheets, plot windows and report windows together, user-defined macro, real-time plotting, support for Access data format, a dialog box help system, Poisson regression, and over 100 predefined fitting models. A plot wizard creates user-desired plots. Statistical features include Weibull analysis for failure rate, Kaplan-Meier survival and hazard estimates, calculation of LD/LC and its confidence intervals at any desired probability level and interactive feature evaluation for arbitrarily user-specified functions. It is fully compatible with Vista and has an expanded data sheet and functional report windows.