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 9532 files by 2647 authors and 4409 screenshots totaling 2328.38 MB. If you are interested in purchasing HP calculator-related items to help