T Reaserch (Italian company?)

T Research 887D, similar to Commodore 887D. Details.

Tabulex (Euro-market company - may have had a connection with Hanimex)

Tabulex (model # unknown)

Tabulex 880

Tabulex 666. Has membrane keypad, is similar to the Prinztronic C15. Details.

Tabulex gamma. Details.

Taktile (Made in England by Advanced Telecommunications Equipment Ltd. (ATE))

Taktile 1200, similar to Triton 1200. Featured on British Calculator site.

Taktile 2001M. Featured on British Calculator site.

Tamaya (Japanese company)

Tamaya NC-2 Astro Navigation Computer. Featured calculator.

Tamaya NC-77 Digital Navigation Computer. Featured calculator.

Tandy (Tandy Corporation was the parent company of Radio Shack. Calculators were sold under the Tandy name in Europe and probably Australia).

Tandy EC-330, identical to the Radio Shack EC-330.

Tatung (Taiwanese electrical and electronics company.)

Tatung 806, inside. Details.

TC (Probably not the manufacturer. If you have any information please get in touch)

TC-8M. Details .

TEAL (Manufactured by Tokyo E lectronic Applications Laboratory, of Tokyo, Japan, and marketed in the U.S.A by Teal Industries Inc., of Carson, California, U.S.A.  See the Calculator Companies section for more information.)

TEAL Technipet 813. Details.

TEAL 806.

TEAL 826.

TEAL K-80M. Details.

TEAL LE-8, identical to the TEALTRONIC LE-8, below Details.

TEAL LE-8 President. Details.

TEAL SR85.

TEALTRONIC (British marketing company, which specialised in TEAL calculators.)

TEALTRONIC 4519. Featured on British calculator site.

TEALTRONIC K-80M (type 1), similar to the TEAL K-80M but without the battery condition meter. Featured on British calculator site.

TEALTRONIC K-80M (type 1). Featured on British calculator site.

TEALTRONIC LE-8. Identical to the TEAL LE-8, above. Featured on British calculator site.

TEALTRONIC SM-8. Featured on British calculator site.

TEC (Taihan Electric Wire Co., Ltd., Korea)

TECCAL MINI-806. Details.

Technico

Technico 44SR.

Technico Pocket Mini aka 6SL. Details.

tecnosonic

tecnosonic 110. Details.

TECO (Tongyuan Electric and Machinery Co., Ltd., Taiwan)

TE 8023, inside, uses the Mostek MK5010P early "calculator-on-a-chip". Details.

Teco TE8050D

TEL

TEL Elektron Mark I, inside. Details.

TENKO

TENKO ECL-12M, inside. Details.

Texas Instruments (See the Calculator Companies section for more information. There are photographs of all vintage Texas Instruments calculators at www.datamath.org.)

Texas Instruments Able-IV.

Texas Instruments Business Analyst I.

Texas Instruments Concept I

Texas Instruments Exactra 19.

Texas Instruments Exactra 20, inside.

Texas Instruments Exactra 21

Texas Instruments Exactra series. Models 19, 22, 23

Texas Instruments Lady 1200

Texas Instruments Navigatronic (mounted in box), with program cards. Featured calculator

Texas Instruments Programmer, with octal and hexadecimal modes for computer programmers. Featured in the Non-decimal Calculator Section.

Texas Instruments SR-10, The first Texas Instruments electronic "Slide Rule". Featured calculator.

Texas Instruments SR-10 clones, left to right:
   ● SR-10 prototype with clear plastic casing.
   ● SR-10 with the 'SR-10' name inside the display bezel.
   ● SR-10 with the 'SR-10' name at the top of the keyboard.
   ● Montgomery Ward P300, aka TXI-8663A.
   ● Radio Shack EC-425.

Texas Instruments SR-11

Texas Instruments SR-16

Texas Instruments SR-40.

Texas Instruments SR-50

Texas Instruments SR-50A.

Texas Instruments SR-51, rear, full outfit.

Texas Instruments SR-51A.

Texas Instruments SR-51-II.

Texas Instruments SR-56 (aka SR-56 Programmable)

Texas Instruments T-1225, only sold through True Value Hardware stores.

Texas Instruments TI-30. Featured calculator.

Texas Instruments TI-33, European market calculator.

Texas Instruments TI-41.

Texas Instruments TI-45. Details.

Texas Instruments TI-51 (Euro-market model)

Texas Instruments TI-51-III.

Texas Instruments TI-57, inside.

Texas Instruments Programmable TI-58. Featured calculator.

Texas Instruments TI-59 and PC-100 printer unit

Texas Instrument TI-76 "THE SPIRIT of '76" (Shows transistor radio and calculator made to celebrate USA bicentennial in 1976).

Texas Instruments TI-1000.

Texas Instruments TI-1050.

Texas Instruments TI-1200, inside.

Texas Instruments TI-1205

Texas Instruments TI-1225 - See T-1225.

Texas Instruments TI-1250, inside.

Texas Instruments TI-1265, inside.

Texas Instruments TI-1270.

Texas Instruments TI-1500

Texas Instruments TI-1600

Texas Instruments TI-2000 (from Italy)

Texas Instruments TI-2500 'Datamath' (TIs first production electronic calculator). Featured calculator.

Texas Instruments TI-2500B 'Datamath'. Featured calculator.

Texas Instruments TI-2500 II 'Datamath II'. Featured calculator.

Texas Instruments TI-2510. Featured calculator.

Texas Instruments TI-2511. Featured calculator.

Texas Instruments TI-2550.

Texas Instruments TI-2550-IV. Details.

Texas Instruments TI-5050M, printing calculator.

Texas Instruments LC2500 "Minimath" (full view), Texas Instrument's LCD version of the Datamath from late 1972 (prototype or very limited production model).
Close-up of LCD display
Featured calculator .

USMC Harrier VSTOL/REST Calculator. Featured calculator.

Texatron

Texatron.

Texet (British calculator marketing company)

Texet 1. Featured calculator .

Texet 803PM. Details.

Texet 800M. Featured on British calculator site.

Texet 880 Executive.  Featured on British calculator site.

Texet 880 Executive (aka 880A). Featured on British calculator site.

Texet 1200 STUDENT. Featured on British calculator site.

Texet 1500.  Featured on British calculator site.

Texet 1800  Featured on British calculator site.

Texet Gyro-1, bears family resemblance to the Toho Gyro-3. Featured on British calculator site.

Texet L-0831T. Featured on British calculator site.

Texet Pocket-8M. Featured on British calculator site.

Texet Pocket-8MR. Featured on British calculator site.

Texet SCIENTIFIC 2001. Featured on British calculator site.

Texet Secretary. Featured on British calculator site.

Texet Student. Featured on British calculator site

Texet Trader. Featured on British calculator site.

TKS 2002 (TKS Corporation, Los Angeles, California, U.S.A.)

TKS-2002 812N.

TKS-2002 814M, inside. Details.

TKS-2002 835MD

Toho (Toho Tsusho Co. Ltd., Japan)

Toho Censor 3

Toho Gyro-3. Details.

Tohotronic Roger F-1.

Tohotronic Roger F-5

Toko

Toko Mini 8.

Topaz

Topaz 888. Details.

Toshiba (See the Calculator Companies section for more information.)

Toshiba BC-0801B, inside, the first Toshiba hand-held electronic calculator, early 1972. Featured calculator.

Toshiba BC-0804B.

Toshiba BC-0806B, rear.  Jul. 23.

Toshiba BC-0808B, inside.

Toshiba BC-602L.

Toshiba BC-812. Details.

Toshiba BC-815, inside.

Toshiba BC-1020PV. Details.

Toshiba BC-1021PV

Toshiba BC-8018.

Toshiba BC-8111B.

Toshiba BC-8112SR. Details.

Toshiba SC-6100.

Transonic (we have no information about this company. If you can help please get in touch.)

Transonic C15, inside. Details.

Transonic mini. Details.

Tricom (we have no information about this company. If you can help please get in touch.)

Tricom.

Tri-Star (we have no information about this company. If you can help please get in touch.)

Tri-Star 830MD. Details.

Triton - was a registered trade name of Radofin. See Radofin.

Triumph (Similar to Adler models)

Triumph 80C.

Triumph 81, with case lettering variation, similar to ANITA 811. Featured on sister site.

Triumph 81SN. Details.

Triumph 88T.

Triumph 109T

Triumph Lady

Triumph Sir and Sir SR

Tryom

Tryom CC-7000 (aka. Electronic Chess).

TSI (Telesensory Systems Inc.)

TSI Speech+ (US made, very early voice synthesizer calculator). Featured calculator.