The Museum of HP calculators

Dave Hicks’ wonderful site. We won’t be here without him!

HP48 software archive - HPcalc.org

Dedicated to the HP 28, 38, 39, 40, 48, 49. Tons of software!

The HP-41 archive Website

Only Hp-41 and peripherals. If this is your dream machine, take a look.

The HP28 WWW Archive

Site devoted to the Hp 28C/S

The Italian HP Calculators Museum

Gianmaria’s fine collection