There was a download of GGU-RETAIN 4.50.0001 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 an intellectual property of Civilserve GmbH.
GGU-RETAIN.exe is the common file name to indicate the GGU-RETAIN installer. The most popular versions among the program users are 5.1 and 4.5. The program 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.
From the developer:
The program offers comfortable data input with permanent presentation of the system on the screen. Every change of data is shown on the screen, so that optimum control of input data is given. The many means of graphic presentation, to a high standard of quality, make it possible for you to show your calculation results exactly as you wish to.
You may want to check out more software, such as SatCalc, MathMatic or ChemDBsoft Lite Demo, which might be similar to GGU-RETAIN.