# TI-80

> Texas Instruments graphing calculator

**Wikidata**: [Q3512179](https://www.wikidata.org/wiki/Q3512179)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/TI-80)  
**Source**: https://4ort.xyz/entity/ti-80

## Summary
The TI-80 is a graphing calculator manufactured by Texas Instruments, designed to visualize mathematical functions and data. It belongs to the broader category of electronic calculators and is part of Texas Instruments' lineup of educational and scientific tools. As a dedicated graphing device, it aids students and professionals in solving complex equations and understanding visual representations of mathematical concepts.

## Key Facts
- **Manufacturer**: Texas Instruments, a U.S.-based semiconductor and electronics company founded in 1930.
- **Classification**: Instance of "calculator model" and subclass of "graphing calculator."
- **Digital Presence**: Featured in Wikimedia Commons (category: TI-80) and Wikipedia (titles in English, Spanish, French, Portuguese, and Chinese).
- **Identifiers**: Library of Congress Authority ID (sh97004980) and National Library of Israel J9U ID (987007532585505171).
- **Aliases**: Commonly referred to as TI 80 or Ti-80.

## FAQs
### Q: Who manufactures the TI-80?
A: The TI-80 is manufactured by Texas Instruments, a leading American electronics and semiconductor company established in 1930.

### Q: What type of calculator is the TI-80?
A: The TI-80 is a graphing calculator, designed to plot mathematical functions and analyze data visually.

### Q: Where can I find more information about the TI-80?
A: The TI-80 has dedicated entries on Wikipedia (in multiple languages) and Wikimedia Commons, with archival identifiers from the Library of Congress and the National Library of Israel.

## Why It Matters
The TI-80 plays a role in education and technical fields by providing a tool for visualizing mathematical relationships, which is critical for understanding complex concepts in algebra, calculus, and science. As part of Texas Instruments' product line, it contributes to the company's reputation for innovation in educational technology. Graphing calculators like the TI-80 have democratized access to advanced mathematical analysis, enabling students and professionals to explore and solve problems dynamically. While specific impact metrics are not provided, its inclusion in authoritative catalogs (e.g., Library of Congress) underscores its recognition as a notable device in the history of computational tools.

## Notable For
- **Graphing Capability**: Specifically designed to plot functions, distinguishing it from basic calculators.
- **Educational Tool**: Supports STEM learning by enabling visual analysis of mathematical concepts.
- **Archival Recognition**: Documented in major library systems and multilingual Wikipedia entries, reflecting its historical and cultural significance.

## Body
### Manufacturer
- **Texas Instruments**: Founded in 1930, headquartered in Dallas, Texas. A major player in the electronics, semiconductor, and calculator industries, with 31,000 employees as of 2021.

### Classification
- **Type**: Graphing calculator (subclass), calculator model (instance).
- **Purpose**: Solving equations, graphing functions, and data analysis.

### Digital Presence
- **Image**: Available on Wikimedia Commons ([TI-80.png](https://commons.wikimedia.org/wiki/Special:FilePath/TI-80.png)).
- **Wikipedia Coverage**: Articles in English, Spanish, French, Portuguese, and Chinese, with a dedicated Commons category.

### Identifiers
- **Library of Congress Authority ID**: sh97004980 (linked to archival records).
- **National Library of Israel J9U ID**: 987007532585505171 (cataloging identifier).

## References

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