Since its first release in September 1992, more than 60,000 scientists and engineers have chosen PSI-Plot as their numerical and plotting tool. Now, version 7 enhances the excellent program and establishes a new standard for scientific software. No other software on the market offers you so much. With the surpassing power and the user friendly interface, PSI-Plot is definitely the ultimate solution for numerical analysis and technical graphics.

Features
# powerful scientific spreadsheet
# user friendly interface: easy to learn, easy to use
# data management over 100 million data points
# a wide range of numerical techniques
# data interpolation and curve fitting
# experimental model builder
# descriptive statistics, t-test, F-test, nonparametric
# algebraic equation solver (root finder)
# differential equation solver (ODE)
# difference equation solver (function mapping)
# matrix manipulation and eigen system
# FFT and digital signal processing
# special coordinate systems: polar, Smith, ternary, …
# spectacular 2D and 3D graphics
# object oriented graphics editing tool
# impressive slide presentation
# superior publication quality output
# Well-written user's handbook
# Online help system
# Unlimited free technical support to all registered customers