VaryPlot was written by Rolf Harjung, working as a  hardware design engineer for a test and  measurement company in Boeblingen, Germany.  He is using the program as a tool for displaying  simulation and measurement results. It started as  a programming excercise in 2005 and evolved to a  pretty versatile and useful tool over the years.  Your feedback is welcome, just send a message to!  The program comes with a comprehensive and up to date manual in HTML format. The program was written in Microsoft’s Visual Basic  Express Edition. Obfuscation was done with Rustemsoft’s Skater .NET Obfuscator (Freeware Light Edition). The installer was created with Bytessence’s freeware InstallMaker. This web page was designed with MAGIX Web Designer 6.