Product number (P/N): 835,
Keywords/Tags: 835
Date of intro: ~1977, Origin: Malaysia (List), Dimensions: 140x70x25mm, Weight: 60g,
Power: 9V + Adaptor,
Display: Type = Display (LED) (List), Digits = 8+1,
Number of keys: 23, #Key-White: 23,
Keyboard Array (Rows x Columns): 06x04, Keyboard Layout: [MR] [MS] [%] - [(SquareRoot)] [M+] [M-] [(Division)] - [7] [8] [9] [x] - [4] [5] [6] [-] - [1] [2] [3] [+] - [CE/C] [0] [.] [=],
Miscellaneous switch: [(Blank)-ON(ArrowRight)],
Classification: / Pocket,
Featuring: Procent, Square root, Logic-technology: VLSI (Very Large Scale Integration), calculator-on-a-Chip, Memories: 1,
Resemblance with: UNITRA-ELTRA: BRDA13U, (Resemblance 013),
Serie-members: NATIONAL SEMICONDUCTOR: 835 (version-1) (Brown/Beige keyboard, Black keys); NATIONAL SEMICONDUCTOR: 835 (version-2) (Brown/Beige keyboard, Beige keys); NATIONAL SEMICONDUCTOR: 835 (version-3) (Silver keyboard),
Collector value: 7.5/10,
Courtesy of: CALCUSEUM (Serge DEVIDTS),