TI-89 Titanium graphing calculator
E6537
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.
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-OS
ⓘ
surface form:
TI-89 OS
|
| hasPort |
I/O link port
ⓘ
USB port ⓘ |
| manufacturer | Texas Instruments ⓘ |
| marketedAs | advanced graphing calculator ⓘ |
| memoryType | flash ROM ⓘ |
| predecessor |
TI-89 Titanium graphing calculator
self-linksurface differs
ⓘ
surface form:
TI-89
|
| productLine |
TI-89 Titanium graphing calculator
self-linksurface differs
ⓘ
surface form:
TI-89 series
|
| 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
The pipeline generated the facts above by prompting gpt-5.1 with this entity's name + description and the instruction below.
Instruction
You are a knowledge base construction expert. Given a subject entity and a description of it, return factual statements that you know for the subject as a JSON list of dictionaries(triples), where keys must be "subject", "predicate" and "object". The number of facts may be very high, between 25 to 50 or more, for very popular subjects. For less popular subjects, the number of facts can be very low, like 5 or 10. # Requirements - If you don't know the subject at all, return an empty list. - If the subject is not a named entity, return an empty list. - Include at least one triple where predicate is "instanceOf". - Do not get too wordy. - Separate several objects into multiple triples with one object.
Input
Subject: TI-89 Titanium graphing calculator Description of subject: 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.
Referenced by (8)
Full triples — surface form annotated when it differs from this entity's canonical label.
TI-89 Titanium graphing calculator
→
productLine
→
TI-89 Titanium graphing calculator
self-linksurface differs
ⓘ
subject surface form:
TI-89 Titanium
this entity surface form:
TI-89 series
TI-89 Titanium graphing calculator
→
predecessor
→
TI-89 Titanium graphing calculator
self-linksurface differs
ⓘ
subject surface form:
TI-89 Titanium
this entity surface form:
TI-89
this entity surface form:
TI-89
this entity surface form:
TI-89
this entity surface form:
TI-89 Titanium
this entity surface form:
TI-89 Titanium