Product number (P/N): 121D,
Keywords/Tags: 121D | abc
Date of intro: ~1972,
Power: AC,
Display: Type = Display (VFD tube) (List), Digits = 12, Extra Display features: Type = Display (Neon bulb) (List), Quantity = 1,
Number of keys: 22, #Key-Blue: 11, #Key-White: 11,
Keyboard Array (Rows x Columns): 04x06, Keyboard Layout: [7] [8] [9] [RM] [T] - [K] [4] [5] [6] [(Division)] [CM] - [CE] [1] [2] [3] [x] [R] - [C] [0] [.] [=] [=],
Classification: / Desktop with Display,
Featuring: Logic-technology: LSI (Large Scale Integration), calculator-chipset,
Components: 15 IC(s) on 3 PCB(s),
Main Components: TOKYO ELECTRONIC APPLICATION LAB (TEAL): 2M1D; TOKYO ELECTRONIC APPLICATION LAB (TEAL): 2M2DC,
Resemblance with: (Resemblance 516_4_6_22A),
Serie-members: TOKYO ELECTRONIC APPLICATION LAB (TEAL): 121D (VFD-Tubes); TOKYO ELECTRONIC APPLICATION LAB (TEAL): ABC850 (Nixie-Tubes),
Known Serial-numbers: 25165 (List of all S/Ns from TOKYO ELECTRONIC APPLICATION LAB (TEAL))
Collector value: 8/10,