Molecular Structure of the Substance 2.4 561 KB, shareware, rate: Molecular Structure of the Substance - this program is a type of graphic simulation, which is the most important element for educational purposes more infoscreenshotTwo Channels Frequency Generator 1.0 482 KB, freeware, rate: Two Channels Frequency Generator allows independent control of frequency, phase and volume on left and right channels. Measured data points can be easily captured to data table for storage and later statistical analysis more infoscreenshot