Vintage Electronic Calculators:
CALCUSEUM Home page

Overview of Brands

Colleagues

TEXAS INSTRUMENTS: 2550
(Page 1/2)

Next Page ->


AKA: TI-2550, AKA (Label): TI-2550 memory calculator, Product number (P/N): TI2550 (TI-2550),
Keywords/Tags: TI2550 (TI-2550) | 2550
Date of intro: 10-jan-1974, Origin: Italy (List), Dimensions: 165x76x47mm,
Power: 6V: (AA x4) + Adaptor, Adaptor: TEXAS INSTRUMENTS_adaptors: AC9120; TEXAS INSTRUMENTS_adaptors: AC9130,
Display: Type = Display (LED) (List), Digits = 8+1,
Number of keys: 23, #Key-Black: 4, #Key-Blue: 7, #Key-Orange: 1, #Key-White: 11,
Decimal switch: [F-2-4],
Classification: / Pocket,
Featuring: Procent, Logic-technology: VLSI (Very Large Scale Integration), calculator-on-a-Chip, Memories: 1,
Related with: TEXAS INSTRUMENTS_docu: 1020548-2H (Instr.) 2550; TEXAS INSTRUMENTS_docu: KOMO1FR774 (Instr.) 2550; (Docu_Catalogs): RADIO BOURSE 1974-75; (Docu_Catalogs): EATON: 197512 Christmas,
Main Components: TEXAS INSTRUMENTS: TMC0601NC; or; TEXAS INSTRUMENTS: TMS0601NC,
Other components: [; (Unknown manufacturer): 27914 {2x}; (Unknown manufacturer): 27915 {2x}; ]; or; [; (Unknown manufacturer): 27915 {2x}; TEXAS INSTRUMENTS: SN27423 {2x}; ]; or; [; TEXAS INSTRUMENTS: SN75493 {2x}; TEXAS INSTRUMENTS: SN75494 {2x}; ],
Original Equipment Manufacturer : TEXAS INSTRUMENTS: 2550 (List of all Export-OEM-models from TEXAS INSTRUMENTS), Resemblance with: MONTGOMERY WARD: P200,
Known Serial-numbers: 2550168196 (2550 168196) | 2550175103 (2550 175103) | 2550245365 (2550 245365) | 2550268770 (2550 268770) | 2550336988 (2550 336988) | 2550410988 | 2550410988 (2550 410988) | 2550432861 (2550 432861) | 2550451016 | 2550451016 (2550 451016) | 2550523836 (2550 523836) | 2550610293 (2550 610293) | K31146424 (K31146 424) | K56043 (List of all S/Ns from TEXAS INSTRUMENTS)
Initial Cost Price: USD99.95, Collector value: 8/10,
Courtesy of: CALCUSEUM (Serge DEVIDTS),
Internet: Link-1: DATAMATH CALCULATOR MUSEUM, Link-2: VIRTUAL MUSEUM OF CALCULATORS, Link-3: EARLY ELECTRONIC CALCULATOR TECHNOLOGY REFERENCE

Item

Box

Box

Box (Polystyreen)

Internals (display) / Internals (PCB)
(version-1): Display
1021472206C (10-21-472-206C)

Internals (keyboard) / Internals (PCB)
(version-2): Keyboard
1KS146 45330

Internals (PCB)
(version-1): bottom
1030582K

Internals (PCB)
(version-1): top
ASSY1030583 (ASSY-1030583)

Internals (PCB)
(version-2): bottom
1030582?

Internals (PCB)
(version-2): top
ASSY1030583 (ASSY 1030583)

Instructions

Advertisement
NEW SCIENTIST / MOUNTAINDENE
(27-feb-1975)
Selling Price: GBP29.50

Advertisement
Zwei davon sind nicht für Sie.

Brochure
Fachbücher und Rechner
SPOERLE ELECTRONIC
Pag.2/4
(1975)

Brochure (fragment)
Makkelijk af te lezen en te gebruiken...

Article (fragment)
Now - there's a personal calculator...
POPULAR SCIENCE
Pag.080/1
(feb-1975)

Magazine
Le calcolatrici Elettronische
SELEZIONE RADIO-TV / RANZANI R.
Pag.1309
(nov-1975)

Patent-info

Label, name plate / Examples of use / Bottom
S/N: 2550245365 (2550 245365)

Label, name plate
S/N: 2550410988 (2550 410988)
TI-2550 memory calculator

Label, name plate
S/N: 2550432861 (2550 432861)
TI-2550 memory calculator

Created: 02-may-2016, Manual-update: 11-mar-2023, Batch-update: 26-feb-2024             

# Pageloads since 2018: 410             

25 Pic(s),

                     

If you have a (better) personal picture and/or missing info about any model not listed: Please do send a Mail