A Big database for small calculators. Last database update : 04-21-2014 Home Presentation Database How to ... Gallery Links Thanks Updates Changer de langue		Enterprex  BJ-21  aka BLACK JACK   (no picture)     Introduction date 197x End date Type 4 funct+game Last update date 2011_08_03 Programmable N RAM size 0 ROM size Number of functions 6+7game Alpha capabilities N Number of keys 20 Display type VFD Number of digits on display 10 Graphical (X x Y) N Extention(s) N Printer N Saving N Date or clock capabilities N Microprocessor Functions list Sqrt () HIT BET STD INS DBL SPL TOT Size (length x width x thickness) 140x76x Weight Batteries 3xAAA External power Y Power consumption 0,3W Twin similar to Radio Shack EC-21 Made in Taiwan Link(s) Page displayed once since 2025-07-11.

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).