Welcome to hpcalc.org (https://www.hpcalc.org), the premier source of software for and information about the HP Prime, HP 50, HP 49, HP 48, and HP 28 RPN programmable graphic calculators and the HP 38G, HP 39, and HP 40 programmable graphic calculators, with 9731 files by 2705 authors and 4468 screenshots totaling 2663.05 MB.

If you are interested in purchasing HP calculator-related items to help support this site, please see my commerce site. I now have the updated HHC 2025 USB drive in stock, with almost 400 GB of calculator-related material.

You may now create an account on hpcalc.org. By creating an account and logging in, you will be able to rate programs, write comments about programs, customize the display of this site, and download old versions of programs. Please click here to create or manage an account.