# TI-82

> Graphics calculator

**Wikidata**: [Q1589217](https://www.wikidata.org/wiki/Q1589217)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/TI-82)  
**Source**: https://4ort.xyz/entity/ti-82

## Summary
The TI-82 is a graphing calculator model manufactured by Texas Instruments, an American electronics and semiconductor company. It is a type of calculator designed for graphical and mathematical computations.

## Key Facts
- **Classification:** Graphing calculator (subclass of calculator model)
- **Manufacturer:** Texas Instruments (American multinational semiconductor design and manufacturing company)
- **Energy Source:** Powered by 4 AAA batteries and 1 CR1620 backup battery
- **Wikipedia Presence:** Available in multiple languages including English, German, Spanish, French, Japanese, and Chinese
- **Identifier:** Has a Library of Congress authority ID (sh94002211) and a National Library of Israel J9U ID (987007566015105171)
- **Image Available:** Public domain image exists on Wikimedia Commons
- **Freebase ID:** /m/0309xn

## FAQs
### Q: What type of calculator is the TI-82?
A: The TI-82 is a graphing calculator, specifically a model designed to perform mathematical calculations and plot graphs.

### Q: Who manufactured the TI-82?
A: The TI-82 was manufactured by Texas Instruments, a major American company in the electronics and semiconductor industries.

### Q: What powers the TI-82 calculator?
A: The TI-82 runs on 4 AAA batteries for main power and uses 1 CR1620 battery for backup power.

### Q: Is information about the TI-82 available in multiple languages?
A: Yes, Wikipedia articles about the TI-82 exist in several languages including English, German, Spanish, French, Japanese, and Chinese.

### Q: Does the TI-82 have unique identifiers in library systems?
A: Yes, it has a Library of Congress authority ID (sh94002211) and a National Library of Israel J9U ID (987007566015105171).

## Why It Matters
The TI-82 represents a significant educational tool in mathematics and science instruction. As a graphing calculator manufactured by a leading semiconductor company, it enabled students and professionals to visualize complex functions, solve equations graphically, and perform statistical analyses more efficiently than non-graphing calculators. Its design and capabilities facilitated deeper understanding of mathematical concepts by providing tangible graphical representations, becoming a staple in secondary and early post-secondary education. The calculator's multilingual documentation and library recognition underscore its widespread adoption and importance as a standardized tool for learning and computation globally. Its core purpose was to solve the problem of abstract mathematical visualization and calculation, making calculus, algebra, and statistics more accessible.

## Notable For
*   Being a graphing calculator model produced by Texas Instruments, a major semiconductor and electronics manufacturer.
*   Utilizing a specific dual-battery power configuration: 4 AAA primary batteries and 1 CR1620 backup battery.
*   Having a dedicated presence on Wikipedia across numerous languages, indicating significant global recognition and usage.
*   Holding unique identifiers in major library authority systems (Library of Congress and National Library of Israel), signifying its established place in educational resources.

## Body
### Classification and Identity
*   The TI-82 is an instance of a calculator model.
*   It is specifically classified as a graphing calculator.
*   It has a Freebase identifier: /m/0309xn.

### Manufacturer
*   Manufactured by Texas Instruments.
*   Texas Instruments is an American multinational semiconductor design and manufacturing company.
*   Texas Instruments was founded on December 6, 1930.
*   Texas Instruments is headquartered in Dallas, United States.
*   Texas Industries employed approximately 31,000 people as of December 31, 2021 (fiscal year).

### Power Source
*   The TI-82 is powered by batteries.
*   Its primary power source consists of 4 AAA batteries.
*   It includes a backup power source of 1 CR1620 battery.

### Digital Presence
*   It has a dedicated Wikipedia page titled "TI-82".
*   It has a category on Wikimedia Commons titled "TI-82".
*   Its Wikipedia page is available in at least the following languages: Commons, German, English, Spanish, French, Indonesian, Japanese, Swedish, and Chinese.
*   It has a Library of Congress authority ID: sh94002211 (last verified: April 3, 2019).
*   It has a National Library of Israel J9U ID: 987007566015105171.
*   It has 9 sitelinks on Wikidata (as per the provided structured properties).
*   It has a sitelink count of 53 on Wikidata (as per the detailed organizational data, though this appears to refer to Texas Instruments overall, not specifically the TI-82 entity).

## 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