Article and pictures about the HP 9100 Desktop Calculator. HP's first calculator
Article and Pictures about the HP 9807 Integral Personal Computer
Article about HP 9810 Desktop Calculators *New*
Article and Pictures about the HP 9815 and 9815 S Desktop Computers *Revised*
Article about HP 9820 Desktop Calculators *New*
Article about HP 9821 Desktop Calculators *New*
Article about HP 9825 Desktop Calculators *New*
Article about HP 9830 Desktop Calculators *New*
Article about HP 9831 Desktop Calculators *New*
Article about HP 9835 Desktop Calculators *New*
Article about HP 9845 Desktop Calculators *New*
List of interfaces and peripherals for the HP 98x0 Desktop Calculators *New*
List of interfaces and peripherals for the HP 98x5 Series Desktop Calculators *New*
A long article about the HP 98xx calculators, including LOTS more details *New*
Short article and images of the HP 9872 Quick Reference Card
Mystery device of the week: The HP 9877 Tape Memory Unit
Article and pictures about the HP 9915 Computer
David Hicks has some excellent information about the internal
workings of HP calculators at the
Museum of HP
Calculators
Peter O. Johnson's
Calculator Restoration Page has photographs of the insides of several
HP machines along with restoration information.
Rick Furr's Calculator Reference Page
has articles including information. on HP calculator microcode and information about the
different manufacturing variations of the Spice (HP3x) series.
Alex Knight has some excellent articles about the technology used in the early HP calculators and other brands. Check out his site at:
Alex's Calculator Technology Archive And last but not least, see Gene Wright's web site of HP and TI software. Gene Wright's Calculator Web Site
Note: This Web site is not affiliated with or endorsed by the Hewlett-Packard
Company
Go back to my home page