The following software will be available from this author: 1. "SymbMath" - a symbolic calculator with learning. 2. "PlotData" - a plotter with analysing data. 3. "Semidiff" - a simulator of 0.5th order derivative voltammograms. 4. "Polar" - a simulator of polarograms. 5. "CurFit" - a separator of overlapping peaks by curve fitting. If you write a paper about any of these software on publication, you will be get a free upgrade on the software.