Downloading QCExpert 3.3.0.4 from the developer's website was possible when we last checked. We cannot confirm if there is a free download of this software available.
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 of the QCExpert are 3.3, 3.2 and 3.1. The program is categorized as Education Tools. The actual developer of the software is TriloByte Ltd. QCEXPERT.exe is the default file name to indicate this program's installer.
From the developer:
QCExpert is an interactive application for data analysis and statistical quality control for Windows. The program provides interactive and automated analysis of your data by advanced statistical methods, basic statistics, probabilistic models, probability calculator and more.
You may want to check out more software, such as Avantage BPM Foundation, Adding Machine or gitoolbox, which might be related to QCExpert.