A Big database for small calculators. Last database update : 04-21-2014 Home Presentation Database How to ... Gallery Links Thanks Updates Changer de langue		Hewlett-Packard  91  aka Topcat FELIX   (5 pictures)     Introduction date 01/03/1976 End date 1979 Type RPN Scientifique Last update date 2010_02_11 Programmable N RAM size 16 ROM size Number of functions 56 Alpha capabilities N Number of keys 42 Display type LED Number of digits on display 15. Graphical (X x Y) N Extention(s) N Printer Y Saving N Date or clock capabilities N Microprocessor Functions list Scient Size (length x width x thickness) 202x228x64 Weight 1134gr Batteries 4x1,2V bat pack External power Y Power consumption Twin Made in Singapore Link(s) Page displayed once since 2023-09-25.

Copyright : all the pictures are my property. You can copy and save them but strictly for your own purpose. You are not authorized to modify, diffuse or use them (even partially) for another internet site, or for all other puplic diffusion. You are authorized to create links to MyCalcDB site, but I cannot garantee their reliability in the time. What I can garantee (exept errors) is only the database calculator's id number (for example: id=777 for the HP-55).