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New features have been added in version (CPU throttle, HP82143A emulation, sound, clock and some bugs have been fixed). To upgrade to version uninstall the previous version. k&w41CX is an emulator of the famous and versatile HP-41CX. It comes with all original Users Library Solutions (USL) and Application Pacs (AP)already embedded in the k&w41CX. Moreover, through it gives access to all original HP-41CX. APs and USLs Manuals via web site ( The calculator has over 200 functions, with the inclusion of the APs and USLs more than 300 functions having added that can increase efficiency of students and professionals from different fields: science, mathematics, statistics, engineering, business, financial, surveying, medicine, real estate, and many other domains. It is just like having various calculators in one, for instance: - Install the Advantage Pac and k&w41CX turns into a HP-15C/HP-16C. - Install Financial Pac and k&w41CX turns into a popular HP-12C. Below a full list of all Application Pacs: • Advantage • Aviation • Circuit Analysis • Clinical Lab & Nuclear Med • Financial • Games • Home Management • Machine Design • Math • Navigation • Petroleum Fluids • Real Estate • Securities • Standard Applications • Statistics • Stress Analysis • Structural Analysis • Surveying • Thermal & Transport Science And User Solutions Library: • Antennas • Applied Statistics I and II • Business, Marketing and Sales • Calendars • Chemical Engineering • Chemistry • Civil Engineering • Control Systems • Electrical Engineering • Games I • Games II • Geometry • Heating, Ventilating and Air Conditioning • High Level Math • Home Construction Estimating • Lend & Lease • Optometry I and II • Physics • Small Business • Solar Engineering • Test Statistics • Time Module Solutions I


Additional information

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Release date


Approximate size

1.1 MB

Age rating

For ages 3 and over


Get this app while signed in to your Microsoft account and install on up to ten Windows 10 devices.

Language supported

English (United States)
Español (España, Alfabetización Internacional)
Français (France)
Português (Brasil)

Publisher Info

k&w41CX support

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