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SEARS: 49.1662
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Product number (P/N): 491662 (49-1662),
Keywords/Tags: 491662 (49-1662)
Date of intro: ~1978, Origin: Hong Kong (List), Dimensions: 185x146x28mm, Weight: 225g,
Power: 9V,
Display: Type = Display (LED) (List), Brand = TEXAS INSTRUMENTS, Digits = 8+1,
Number of keys: 18, #Key-Red: 7, #Key-White: 11,
Keyboard Array (Rows x Columns): 05x04, Keyboard Layout: [CE] [C] - [7] [8] [9] [+] - [4] [5] [6] [-] - [1] [2] [3] [x] - [0] [.] [A=] [(Division)],
Miscellaneous switch: [SPEAKER_OFF-ON MODE_A-=],
Classification: / Pocket / Social+Behavorial (education),
Featuring: Logic-technology: VLSI (Very Large Scale Integration), calculator-on-a-Chip,
Related with: SEARS_docu: 491662E (Instr.) 49-1662; SEARS_parts: (Box) 49.1662,
Main Components: TEXAS INSTRUMENTS: TMS1000NL,
Other components: TEXAS INSTRUMENTS: SN99857N,
Made by: CONCEPT 2000 (List of all Import-OEM-models for SEARS),
Known Serial-numbers: 151R (List of all S/Ns from SEARS)
Collector value: 8/10,
Courtesy of: CALCUSEUM (Serge DEVIDTS),

Item

Internals

Internals (PCB)

Label, name plate / Bottom

Created: 25-jan-2017, Manual-update: 17-jun-2021, Batch-update: 14-jan-2022             

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4 Pic(s),

                     

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