FREE POWER SPECTRUM - Free Downloads

Sound card based real time oscilloscope and spectrum analyzer with sophisticated triggering method including pre-trigger and post-trigger which are generally missing from other sound card based instruments. Visit www.virtins.com for further details.It consists of a sound card real time oscilloscope, a sound card real time spectrum analyzer and a sound card signal generator, and can run them simultaneously. It supports sophisticated triggering method including pre-trigger and post-trigger.An easy-to-use yet powerful computer program for building family trees, storing and displaying information about people and key events in their lives.MakeSurvey is a powerful and interactive survey management system, enabling to organize, run and manage various types of surveys. MakeSurvey can process internet and email surveys.The program is based on the model-free method of time series analysis Caterpillar-SSA (Singular Spectrum Analysis). It allows identification, analysis and forecast of the time series structure. The program can be applied to multivariate analysis.