This Software demonstrate the thermal design calculations for Kettle reboilers
Free
Handy Freeware Scientific Calculator with many features
Investment Portfolio Management for shares, options and CFD's
DjVu Printer Pilot creates DjVu files using Two Pilots' Virtual Printer.
Eye4Software Coordinate Calculator is a tool to convert GPS or map coordinates
CPU is a Cost Per Unit calculator to assist in deciding product / packet value
Bond Yield to Maturity and payment calculator for Excel and OpenOffice Calc.
Handy Enhanced Scientific Calculator with many features including Paper Trail.