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PRINZTRONIC: SR99M (version-1)
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Product number (P/N): SR99M,
Keywords/Tags: SR99M
Date of intro: ~1975, Origin: Japan (List), Dimensions: 123x78x24mm, Weight: 106g,
Power: 3V: (AA x2) + Adaptor,
Display: Type = Display (VFD) (List), Digits = 8+1,
Number of keys: 23, #Key-Grey: 11, #Key-Red: 1, #Key-White: 11,
Keyboard Array (Rows x Columns): 05x05, Keyboard Layout: [(SquareRoot)] [%] [C/CE] - [7] [8] [9] [(Division)] [CM] - [4] [5] [6] [x] [RM] - [1] [2] [3] [-] [M-=] - [0] [.] [=] [+] [M+=],
Miscellaneous switch: [OFF-ON],
Classification: / Pocket,
Featuring: Procent, Square root, Logic-technology: VLSI (Very Large Scale Integration), calculator-on-a-Chip, Memories: 1,
Main Components: TEXAS INSTRUMENTS: TMS1045NL,
Resemblance with: (Resemblance 015_05_05_23A), Made by: TEAL (List of all Import-OEM-models for PRINZTRONIC),
Serie-members: PRINZTRONIC: SR99M (version-1) (23 keys); PRINZTRONIC: SR99M (version-2) (22 keys); PRINZTRONIC: SR99M (version-3) (23 keys and [PI]); PRINZTRONIC: SR99M (version-4) (22 keys and [PI]),
Known Serial-numbers: 267991 (List of all S/Ns from PRINZTRONIC)
Collector value: 7/10,
Courtesy of: CALCUSEUM (Serge DEVIDTS),

Item

Instructions
Operation Instructions
(Courtesy of: DUDEK Emil)

Created: 01-jan-2014, Manual-update: 02-aug-2021, Batch-update: 16-may-2022             

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