AKA (Label): ELECTRONIC CALCULATOR, Product number (P/N): PHOTON,
Keywords/Tags: PHOTON | ELECTRONIC CALCULATOR
Date of intro: ~1977, Origin: Japan (List),
Power: Solar,
Display: Type = Display (LCD yellow) (List),
Number of keys: 24, #Key-Black: 12, #Key-Grey: 11, #Key-Red: 1,
Keyboard Array (Rows x Columns): 05x05, Keyboard Layout: [CE/C] [(SquareRoot)] [%] [x] - [CM] [7] [8] [9] [(Division)] - [RM] [4] [5] [6] [-] - [M-] [1] [2] [3] [+] - [M+] [0] [.] [+/-] [=],
Classification: / Pocket / Solar: First generation,
Featuring: Procent, Square root, Logic-technology: VLSI (Very Large Scale Integration), calculator-on-a-Chip, Memories: 1,
Serie-members: TOKYO ELECTRONIC APPLICATION LAB (TEAL): Photon (version-1) (Sun-pictogram on keyboard, 24 Keys); TOKYO ELECTRONIC APPLICATION LAB (TEAL): Photon (version-2) (Sun-pictogram above display); TOKYO ELECTRONIC APPLICATION LAB (TEAL): Photon (version-3) (No Sun-pictogram),
Known Serial-numbers: 103434 (List of all S/Ns from TOKYO ELECTRONIC APPLICATION LAB (TEAL))
Collector value: 8.5/10,
Internet: Link-1: VINTAGE CALCULATORS WEB MUSEUM

!!! This item is WANTED to join the collection !!!