ProKalc is a full-featured scientific/financial calculator with scrolling tape. Using a point-and-click interface, you enter data for trig, exponential, scientific, and amortization problems and get immediate answers, with your input reviewable on ta
ProKon is an impressive engineering units conversion utility for Windows 95/98/ME/NT/2000/XP. It supports over 400,000 conversions, in 26 different categories, both to and from the SI (metric), Imperial (English), and U.
