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yann64andClaude Opus 5.5 b274874139 All machines linked to their forum thread (full comment import)

1,289 discussions, 9,527 archived comments; pages no longer carry the comments themselves.

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01YDRjtmAiNpo5mK5N3d7QwZ

2026-10-13 17:26:43 +02:00

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title, categories, types, origins, years, params

title

categories

types

origins

years

params

Texas Instruments TI-55-II

Computers

Pocket

U.S.A.

1981

name

image

company

company_name

specs

tabs

forum_thread

adverts

oc_id

source

TI-55-II

/media/museum/photos/texas_ti55ii_system_1.jpg

/companies/texas-instruments

Texas Instruments

label	value
NAME	TI-55-II

label	value
MANUFACTURER	Texas Instruments

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TYPE	Pocket

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ORIGIN	U.S.A.

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YEAR	September 1981

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KEYBOARD	45 keys

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RAM	56 steps - 7 memories

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TEXT MODES	10 digits LCD display

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POWER SUPPLY	Lithium batteries

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PRICE	$50

adverts

586

title	subtitle	text	image
U.S. ADVERT(1982)		The calculator was sold with a very helpful manual (Calculator Decision-Making Sourcebook) giving step- by-step examples for the best techniques used for solving mathematical, statistical and scientific problems, as well as programming tips.	/media/museum/pubs/texas_ti55ii_pub_1.jpg

597

url	date
https://web.archive.org/web/20230604171839/http://www.old-computers.com/museum/computer.asp?c=597	2023-06-04

The TI-55 was one of the first programmable calculator which keeps programs and data in memory, even when it was turned off.

112 pre-programmed functions, including statisticals.

1.4 KiB Raw Permalink Blame History

1.4 KiB

Raw Permalink Blame History