TI-81
E565828
The TI-81 is one of Texas Instruments' early graphing calculators, widely used in education for algebra and basic graphing tasks.
All labels observed (1)
| Label | Occurrences |
|---|---|
| TI-81 canonical | 3 |
How this entity was disambiguated
This entity first appeared as the object of triple T6054374 — 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-81 Context triple: [TI-85, predecessor, TI-81]
-
A.
TI-85
The TI-85 is a graphing calculator by Texas Instruments popular in the 1990s for advanced math and engineering coursework.
-
B.
TI-82 series
The TI-82 series is a line of Texas Instruments graphing calculators widely used in education for algebra, trigonometry, and introductory programming.
-
C.
TI-86
The TI-86 is a graphing calculator by Texas Instruments popular in the late 1990s and early 2000s, known for its advanced math functions and programmability.
-
D.
TI-92 Plus
The TI-92 Plus is a graphing calculator by Texas Instruments featuring a large display, QWERTY keyboard, and advanced symbolic math capabilities.
-
E.
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.
- 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-81 Target entity description: The TI-81 is one of Texas Instruments' early graphing calculators, widely used in education for algebra and basic graphing tasks.
-
A.
TI-85
The TI-85 is a graphing calculator by Texas Instruments popular in the 1990s for advanced math and engineering coursework.
-
B.
TI-82 series
The TI-82 series is a line of Texas Instruments graphing calculators widely used in education for algebra, trigonometry, and introductory programming.
-
C.
TI-86
The TI-86 is a graphing calculator by Texas Instruments popular in the late 1990s and early 2000s, known for its advanced math functions and programmability.
-
D.
TI-92 Plus
The TI-92 Plus is a graphing calculator by Texas Instruments featuring a large display, QWERTY keyboard, and advanced symbolic math capabilities.
-
E.
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.
- F. None of above. chosen
Statements (47)
| Predicate | Object |
|---|---|
| instanceOf | graphing calculator ⓘ |
| brand | Texas Instruments ⓘ |
| hasBackupBattery | CR1616 or CR1620 coin cell ⓘ |
| hasConnectivity | link port ⓘ |
| hasDisplayColor | black and white ⓘ |
| hasDisplayType | monochrome LCD ⓘ |
| hasFeature |
alphanumeric keyboard
ⓘ
graphing of functions ⓘ matrix operations ⓘ parametric graphing ⓘ polar graphing ⓘ programmable functions ⓘ statistical calculations ⓘ table of values ⓘ |
| hasFormFactor | handheld ⓘ |
| hasInputMethod | keypad ⓘ |
| hasKeyLayout | Z80-era TI graphing layout ⓘ |
| hasProgrammingLanguage | TI-BASIC variant ⓘ |
| hasSuccessor |
TI-82
ⓘ
linked to:
TI-82 series
TI-83 ⓘ
linked to:
TI-83 Plus graphing calculator
|
| intendedUse |
algebra instruction
ⓘ
basic graphing tasks ⓘ education ⓘ |
| introducedInDecade | 1990s ⓘ |
| isPortable | yes ⓘ |
| manufacturer | Texas Instruments ⓘ |
| marketRegion |
United States
ⓘ
linked to:
United States of America
international ⓘ |
| powerSource | AAA batteries ⓘ |
| predecessorOf |
TI-82
ⓘ
linked to:
TI-82 series
TI-83 ⓘ
linked to:
TI-83 Plus graphing calculator
|
| productLine |
TI graphing calculators
ⓘ
linked to:
TI graphing calculator product line
|
| supportsDataTransfer |
calculator-to-calculator link
ⓘ
data transfer ⓘ program transfer ⓘ |
| supportsMode |
degree angle mode
ⓘ
gradian angle mode ⓘ radian angle mode ⓘ |
| supportsOperation |
complex number arithmetic
ⓘ
exponential functions ⓘ logarithmic functions ⓘ polynomial evaluation ⓘ systems of equations ⓘ trigonometric functions ⓘ |
| supportsProgramming | yes ⓘ |
| targetEducationLevel |
high school
ⓘ
middle school ⓘ |
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-81 Description of subject: The TI-81 is one of Texas Instruments' early graphing calculators, widely used in education for algebra and basic graphing tasks.
Referenced by (3)
Full triples — surface form annotated when it differs from this entity's canonical label.