ProKalc 7.9a Business and Finance: Applications ProKalc is a full featured scientific calculator featuring a scrolling tape and 15-digit accuracy. Integrated help is available through a unique hot-key interface.
ProKon 10.0s Business and Finance: Applications ProKon is a calculator unlike any you've seen before. It features unit conversions of over 400,000 units, a pop-up scientific/financial/geometry calculator with tape, as well as many calculation modules covering a wide variety of topics.
