AKA: SQUARE ROOT 12R, AKA (Label): Calculator Model 12R, Product number (P/N): 12R,
Keywords/Tags: 12R | SQUARE ROOT
Date of intro: 1975, Origin: Mexico (List), Dimensions: 140x76x22mm, Weight: 115g,
Power: 9V + Adaptor,
Display: Type = Display (LED) (List), Digits = 8+1,
Number of keys: 16, #Key-Brown: 16,
Classification: / Pocket,
Featuring: Square root, Logic-technology: VLSI (Very Large Scale Integration), calculator-on-a-Chip,
Related with: ROCKWELL_docu: (Ad.) *: Because life is... (10R,12R,21R,51R,61R,63R,82R),
Resemblance with: (Resemblance 057),
Known Serial-numbers: 110655 (List of all S/Ns from ROCKWELL)
Initial Cost Price: USD29.95, Collector value: 7.5/10,
Courtesy of: CALCUSEUM (Serge DEVIDTS),
Internet: Link-1: THE NATIONAL MUSEUM OF AMERICAN HISTORY