ProKon is a comprehensive calculator with over 400,000 unit conversions, scientific, financial, and geometry calculators with tape, and several calculation modules that cover numerous topics.

ProKon features a periodic table of elements with relevant data on each element and numerous mathematical formulas. Moreover, it has a density database of over 625 materials—some common and some not so common. With context-sensitive help accessible throughout the program, you can easily copy and paste converted values to the Clipboard.
Aside from these impressive features, ProKon includes additional 55 modules that cater to a wide-ranging scientific, construction and educational calculations. Furthermore, this update to ProKon has added several features like data size, data transfer rate, currency exchange rate, temperature interval, irrigation, earth distance, altimetry, date calculations, random number generation, and much more.
If you're looking for a reliable, comprehensive and diverse software for unit conversions, ProKon is the utility you need.
Version 10.0x: Updates to numerous modules, new CPI data, bug fixes
Version 10.0z: Updates to numerous modules, new CPI data, bug fixes
Version 10.0w: Updates to numerous modules, new CPI data, bug fixes
Version 10.0u: Theme support, Road Materials, Morse Code, ASCII Converter, Angle/Pitch of Roof, Due Date, Cloud Base Height, Depth of Field, Blood Sugar, and Grade Point modules.
Version 10.0t: XP Theme support, Road Materials, Morse Code, ASCII Converter, Angle/Pitch of Roof, Due Date, Cloud Base Height, Depth of Field, Blood Sugar, and Grade Point modules.
Version 10.0s: XP Theme support, Road Materials, Morse Code, ASCII Converter, Angle/Pitch of Roof, Due Date, Cloud Base Height, Depth of Field, Blood Sugar, and Grade Point modules.
Version 10.0r: XP Theme support, Road Materials, Morse Code, ASCII Converter, Angle/Pitch of Roof, Due Date, Cloud Base Height, Depth of Field, Blood Sugar, and Grade Point modules.
Version 10.0q: XP Theme support, Road Materials, Morse Code, ASCII Converter, Angle/Pitch of Roof, Due Date, Cloud Base Height, Depth of Field, Blood Sugar, and Grade Point modules.
Version 10.0m: XP Theme support, new calculation format, bug fixes, Cost of Ownership, New System Information module