AKA: SOLID STATE ELECTRONIC CALCULATOR, SOBAX 2500, AKA (Label): SOBAX ICC-2500, ELECTRONIC CALCULATOR, Product number (P/N): ICC2500 (ICC-2500),
Keywords/Tags: ICC2500 (ICC-2500) | SOLID STATE ELECTRONIC CALCULATOR | SOBAX
Date of intro: oct-1969, Origin: Japan (List),
Power: AC,
Display: Type = Display (Nixie) (List), Brand = HITACHI: CD81, Digits = 15,
Number of keys: 30, #Key-Black: 11, #Key-Blue: 8, #Key-Green: 3, #Key-Grey: 2, #Key-White: 6,
Keyboard Array (Rows x Columns): 04x08, Keyboard Layout: [R] [(Division)] [7] [8] [9] [C ALL] [(ArrowLeft)] [(ArrowRight)] - [M OUT] [x] [4] [5] [6] [C ENT] [M] [D] - [S] [=] [1] [2] [3] [-] [M C] [J] - [0] [.] [CHG SIGN] [+] [M IN] [(SquareRoot)],
Decimal switch: [4-2-0], Round switch: [(ArrowUp)-5/4-(ArrowDown)], Miscellaneous switch: [LEARN-AUTO-MAN. CHECK-OPE. READ-T-OFF],
Classification: / Desktop with Display / Memory (delay line),
Featuring: Square root, Programmable, Logic-technology: SSI (Small Scale Integration), Memory-technology: Memory (delay line), Programmable Steps: 111,
Related with: SONY_docu: (Instr.) ICC2500; SONY_docu: (Service) ICC2500; SONY_docu: (Broch.) ICC2500 (Japanese); SONY_parts: (Box) ICC2500; SONY_perips: EP71 (Printer),
Components: 137 Diode(s), 78 Transistor(s), 250 IC(s),
Main Components: SONY: 501 {138x}; SONY: 502 {35x}; SONY: 503 {23x}; SONY: 504-3 {35x}; SONY: 504-4 {15x}; SONY: 504-5 {4x},
Serie-members: SONY: ICC2500; SONY: ICC2500E; SONY: ICC2500W,
Known Serial-numbers: 603443 | 603965 (List of all S/Ns from SONY)
Collector value: 9/10,
Internet: Link-1: EARLY ELECTRONIC CALCULATOR TECHNOLOGY REFERENCE, Link-2: THE NATIONAL MUSEUM OF AMERICAN HISTORY, Link-3: DENTAKU MUSEUM