CopanMobile for PocketPC allows you to COGO (coordinate geometry), process field surveys, adjust map traverses, perform map/deed checks, calc curves and areas/perimeters, transform coords, interface with GPS, and import/export Ascii files. It's free.
TraderCode is a very useful toolbox for stock traders. You can use it to compute technical indicator values for stock prices and plot them in Excel. It includes an Excel Add-In that provides an user interface for you to calculate results quickly.
BMP EMF Grapher - drawing 2-D mathematical freeware with BMP, EMF, CSV export and CSV import. It draw graphics and exports them to the BMP, EMF, and CSV formats and imports CSV files to export to BMP or EMF format.
Chess Vision Trainer is a chess training system to improve your visualization and move calculation skills in Chess. Visualization and calculation plays a major role in chess. These are the skills that separates the masters from the amateurs.
Loan Calc is an easy-to-use tool intended to calculate loans and mortgages repayments in a very simple way. Loan Calc calculates repayments amount, monthly and total interest, total repayments and generates a full repayment list from a start date.
VideoCAD is a tool of view area and cameras' arrangement calculation that will help you in designing CCTV of any complexity and functions. · VideoCAD is user-friendly, allowing even the beginners to use the new opportunities.
Business valuation with a 3 year performance forecast, sensitivity analysis, investment return, and calculated business valuation. Easy to use input interface with tabluar and graphical outputs.
Rt-Plot is a tool to generate Cartesian X/Y-plots from scientific data. You can enter and calculate tabular data. View the changing graphs, including linear and non linear regression, interpolation, differentiation and integration, during entering.