Control Loop Simulator 1.0 This package provides control loop simulation, it comes with common control elements which includes linear and non-linear elements.
Z-Plot 1.02 2D / 3D function plotter that allows you to visualize a multitude of mathematical functions and curves. The program is able to calculate with complex numbers. Additionally, you can create diagrams from a data table.
Blocker Plains - a great version of the all-times classic A lot of people play games and thoroughly enjoy it. Some prefer serious titles that take weeks or months to beat and some like simple and fun «time killers» that can be started and stopped at any time and that can be played during short breaks between tasks. If you are a gamer of the second type and like playing simple arcade games just for fun, check out Blocker Plains — another great incarnation