Download of ProStat 6.5 was on the developer's website when we last checked. We cannot confirm if there is a free download of this software available. This program is a product of Poly Software International, Inc. The software lies within Education Tools, more precisely Science Tools.
According to the results of the Google Safe Browsing check, the developer's site is safe. Despite this, we recommend checking the downloaded files with any free antivirus software. The most popular versions among ProStat users are 6.5, 6.0 and 5.5. Commonly, this program's installer has the following filename: prostat.exe.
From the developer:
Prostat is specially designed for scientists and engineers, and minimal computer experience is required. Prostat provides a powerful data sheet in which you can enter your data and begin analyzing immediately. You can also easily generate data from a variety of predefined functions. For data analysis, it includes a full range of basic statistical methods and advanced multivariate statistical methods.
You may want to check out more software, such as Programming Software Teletek Electronics V.3.2.21.0, which might be related to ProStat.