TI-89 Titanium graphing calculator

E6537

graphing calculator handheld calculator

The TI-89 Titanium graphing calculator is an advanced Texas Instruments handheld device popular in higher-level math and engineering courses for its powerful symbolic algebra and calculus capabilities.

Try in SPARQL Jump to: Surface forms Disambiguation Statements Elicitation Referenced by

All labels observed (4)

Label	Occurrences
TI-89	4
TI-89 Titanium	2
TI-89 Titanium graphing calculator canonical	1
TI-89 series	1

How this entity was disambiguated

This entity first appeared as the object of triple T18755 — resolving that mention is where its identity was fixed. The disambiguator weighed these candidate entities and picked the highlighted one (or “None”, minting a new entity). This is how homonymy is resolved: the same surface form can point to different entities.

NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07

Target entity: TI-89 Titanium graphing calculator
Context triple: [Texas Instruments, notableProduct, TI-89 Titanium graphing calculator]

A. TI-84 Plus graphing calculator
The TI-84 Plus graphing calculator is a widely used handheld calculator in education, especially for high school and college math and science courses, known for its graphing, programming, and statistical capabilities.
B. TI-83 Plus graphing calculator
The TI-83 Plus graphing calculator is a widely used handheld calculator popular in high school and college math and science courses for its graphing, statistical, and programmable capabilities.
C. Texas Instruments
Texas Instruments is a major American technology company best known for designing and manufacturing semiconductors and calculators used worldwide.
D. Ovi
Ovi is the widely recognized nickname of Alex Ovechkin, the prolific Russian goal-scorer and NHL superstar.
E. Tymshare
Tymshare was an influential American time-sharing and computer services company active in the 1960s–1980s that helped pioneer remote computing and software services for businesses.
F. None of above. chosen
G. Unsure - the case is ambiguous/there is not enough information to decide.

NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07

Target entity: TI-89 Titanium graphing calculator
Target entity description: The TI-89 Titanium graphing calculator is an advanced Texas Instruments handheld device popular in higher-level math and engineering courses for its powerful symbolic algebra and calculus capabilities.

A. TI-84 Plus graphing calculator
The TI-84 Plus graphing calculator is a widely used handheld calculator in education, especially for high school and college math and science courses, known for its graphing, programming, and statistical capabilities.
B. TI-83 Plus graphing calculator
The TI-83 Plus graphing calculator is a widely used handheld calculator popular in high school and college math and science courses for its graphing, statistical, and programmable capabilities.
C. Texas Instruments
Texas Instruments is a major American technology company best known for designing and manufacturing semiconductors and calculators used worldwide.
D. Ovi
Ovi is the widely recognized nickname of Alex Ovechkin, the prolific Russian goal-scorer and NHL superstar.
E. Tymshare
Tymshare was an influential American time-sharing and computer services company active in the 1960s–1980s that helped pioneer remote computing and software services for businesses.
F. None of above. chosen

Statements (49)

Predicate	Object
instanceOf	graphing calculator ⓘ handheld calculator ⓘ
brand	Texas Instruments ⓘ
hasDisplayType	monochrome LCD ⓘ
hasFeature	3D graphing ⓘ CAS ⓘ USB connectivity ⓘ built-in apps ⓘ complex number support ⓘ data plotting ⓘ differential equation solving ⓘ differentiation ⓘ equation solving ⓘ financial functions ⓘ flash memory ⓘ graphing ⓘ integration ⓘ matrix operations ⓘ programming capability ⓘ statistics functions ⓘ symbolic algebra ⓘ symbolic calculus ⓘ text editor ⓘ unit conversions ⓘ
hasKeyboardLayout	QWERTY-like alpha keys ⓘ
hasOperatingSystem	TI-89 OS ⓘ linked to: TI-OS
hasPort	I/O link port ⓘ USB port ⓘ
manufacturer	Texas Instruments ⓘ
marketedAs	advanced graphing calculator ⓘ
memoryType	flash ROM ⓘ
predecessor	TI-89 ⓘ linked to: TI-89 Titanium graphing calculator
productLine	TI-89 series ⓘ linked to: TI-89 Titanium graphing calculator
supports	data transfer to computer ⓘ exact arithmetic ⓘ numeric approximation ⓘ symbolic manipulation of expressions ⓘ upgradable operating system ⓘ user-installed applications ⓘ
supportsProgrammingLanguage	TI-BASIC ⓘ assembly language ⓘ
targetAudience	college math students ⓘ engineering students ⓘ science students ⓘ
usedFor	calculus courses ⓘ differential equations courses ⓘ engineering courses ⓘ linear algebra courses ⓘ physics courses ⓘ

How these facts were elicited

Referenced by (8)

Full triples — surface form annotated when it differs from this entity's canonical label.

Texas Instruments → notableProduct → TI-89 Titanium graphing calculator ⓘ

TI-89 Titanium → productLine → TI-89 series ⓘ

subject linked to: TI-89 Titanium graphing calculator