AKA: MARK 24, AKA (Label): MARK 24, Model No. MARK-24, Product number (P/N): 24,
Keywords/Tags: 24 | MARK 24
Date of intro: ~1974, Origin: Japan (List),
Power: 9V,
Display: Type = Display (VFD) (List),
Number of keys: 24, #Key-Black: 19, #Key-Red: 1, #Key-White: 4,
Keyboard Array (Rows x Columns): 05x05, Keyboard Layout: [CE/C] [DR] [%] [MC] - [7] [8] [9] [(Division)] [MR] - [4] [5] [6] [x] [M+] - [1] [2] [3] [-] [M-] - [0] [.] [EX] [+] [=/k],
Miscellaneous switch: [(Blank)-ON],
Classification: / Pocket,
Featuring: Procent, Logic-technology: VLSI (Very Large Scale Integration), calculator-on-a-Chip,
Original Equipment Manufacturer : APF: 24 (version-2) (List of all Export-OEM-models from APF), Resemblance with: SEARS: 41015,
Serie-members: APF: 24 (version-1) (No Red Key); APF: 24 (version-2) (One Red Key),
Known Serial-numbers: 002927 | J014558 (J-014558) (List of all S/Ns from APF)
Collector value: 7/10,