Welcome to QuantumSoft

This is the home page of QuantumSoft, the developers of pro Fit. Here we provide information about pro Fit, the complete pro Fit package for download and purchase, and several user-support material for existing pro Fit users.

pro Fit is a Macintosh (Mac OS) application for data/function analysis, plotting, and curve fitting. It is used by scientists and engineers to analyze their measurements and the mathematical models they use to describe them.

Scientists or students can define any mathematical function and use it to model their data, finding by linear or nonlinear curve fitting the function parameters that best describe their observations. Moreover, they can use a number of tools for the mathematical and statistical analysis of functions and data sets, and they can produce esthetically pleasing graphical representations for their scientific reports.

pro Fit screen shot

 

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Last change: March 23, 2008
 

pro Fit 6.1.8 released

This release corrects a bug that would lead to data loss if a window was never saved before when quitting pro Fit, and it provides some further improvements. We recommend the download for all users. See the release notes for more details. 6.1.8 is a free upgrade for all users of pro Fit 6.1 and works with the same registration codes. Download it from our purchasing page.

pro Fit 6.1.0 released (May 14, 2007)

We are happy to announce the release of pro Fit 6.1, a universal binary running natively on Intel processors. It is immediately available for download. pro Fit 6.1 is a free upgrade for anyone who bought pro Fit since January 1, 2006, and is available for a reduced upgrade fee of USD 55 for all other users of pro Fit 6.0 from our purchasing page.

The new version provides a powerful new tool for multidimensional curve fitting, a revamped rendering engine for plots with native Core Graphics, PDF, and postscript support, many powerful additions to its scripting language, and more. pro Fit 6.1 is a "universal application" running natively on both Intel and PowerPC systems, with a built in compiler that also generates native Intel and PowerPC code.

A list of the new features of version 6.1 is provided on our features page.

pro Fit and the new Intel-based Macs

The latest version 6.0 of pro Fit is still fully compatbile with the new Intel-based Macs and runs under Rosetta emulation. However, the new version 6.1 of pro Fit runs natively on both the PowerPC and Intel processors, and therefore, shows better performance on Intel processors.

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Contacting QuantumSoft

If you have any questions, suggestions or comments, please contact us by e-mail or mail: