# TI-81

> graphing calculator

**Wikidata**: [Q1813143](https://www.wikidata.org/wiki/Q1813143)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/TI-81)  
**Source**: https://4ort.xyz/entity/ti-81

## Summary
The TI-81 is a graphing calculator manufactured by Texas Instruments, an American multinational semiconductor design and manufacturing company founded in 1930. It is classified as a calculator model and a subclass of graphing calculators, with documentation available in multiple languages worldwide.

## Key Facts
- The TI-81 is a graphing calculator
- It is manufactured by Texas Instruments (inception: 1930-12-06)
- Texas Instruments is headquartered in Dallas, United States
- The TI-81 has an alias: "TI 81"
- It is classified as a calculator model and a subclass of graphing calculators
- It has a Library of Congress authority ID: sh91005106
- It has a National Library of Israel J9U ID: 987007536796705171
- It has 7 Wikipedia sitelinks
- Its Wikipedia page exists in languages: commonswiki, de, en, es, fr, ja, sv
- It has an image available: https://commons.wikimedia.org/wiki/Special:FilePath/TI-81_Calculator_on_Graph_Screen.jpg
- It has a Commons category: TI-81
- It has a Freebase ID: /m/0309yd

## FAQs
### Q: What is the TI-81?
A: The TI-81 is a graphing calculator manufactured by Texas Instruments, an American multinational semiconductor company founded in 1930. It is classified as a calculator model and a subclass of graphing calculators.

### Q: Who manufactures the TI-81?
A: The TI-81 is manufactured by Texas Instruments, which is headquartered in Dallas, United States and was founded on December 6, 1930.

### Q: How is the TI-81 classified?
A: The TI-81 is classified as a calculator model and a subclass of graphing calculators.

### Q: What catalog identifiers does the TI-81 have?
A: The TI-81 has a Library of Congress authority ID (sh91005106) and a National Library of Israel J9U ID (987007536796705171).

### Q: What languages is the TI-81 documented in?
A: The TI-81 has Wikipedia documentation in multiple languages including English, German, Spanish, French, Japanese, and Swedish, as well as a Commons category.

## Why It Matters
The TI-81 represents Texas Instruments' specialized offering in the educational technology sector, specifically targeting students and professionals requiring graphing capabilities. As part of TI's calculator product line since 1930, it contributes to the company's established presence in the educational electronics industry. The TI-81's documentation across multiple languages and its cataloging in library systems worldwide demonstrate its international relevance and value as an educational reference tool for mathematics and science students.

## Notable For
- Being a graphing calculator in Texas Instruments' product line
- Having documentation across multiple languages including English, German, Spanish, French, Japanese, and Swedish
- Having multiple international library catalog identifiers including Library of Congress and National Library of Israel IDs
- Having a dedicated Commons category for documentation

## Body
### Classification
- Instance of: calculator model
- Subclass of: graphing calculator
- Wikipedia title: TI-81

### Identifiers
- Freebase ID: /m/0309yd
- Library of Congress authority ID: sh91005106
- National Library of Israel J9U ID: 987007536796705171
- Has 7 Wikipedia sitelinks

### Manufacturer
- Company: Texas Instruments
- Headquarters: Dallas, United States
- Founded: 1930-12-06

### Media
- Image: https://commons.wikimedia.org/wiki/Special:FilePath/TI-81_Calculator_on_Graph_Screen.jpg
- Commons category: TI-81

## References

1. [Source](https://github.com/JohnMarkOckerbloom/ftl/blob/master/data/wikimap)
2. Freebase Data Dumps. 2013
3. National Library of Israel Names and Subjects Authority File