# TI-89 series

> series of graphic calculators

**Wikidata**: [Q2295981](https://www.wikidata.org/wiki/Q2295981)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/TI-89_series)  
**Source**: https://4ort.xyz/entity/ti-89-series

## Summary
The TI-89 series is a line of graphing calculators manufactured by Texas Instruments, featuring advanced mathematical capabilities including symbolic manipulation and 3D graphing. The series includes the original TI-89 and the enhanced TI-89 Titanium model, both powered by the Motorola 68000 microprocessor. These calculators are widely used in education and engineering applications.

## Key Facts
- Manufactured by Texas Instruments, an American semiconductor company founded in 1930 and headquartered in Dallas
- Powered by Motorola 68000 microprocessor, introduced in 1979
- Includes TI-89 Titanium model as a key variant in the series
- Classified as both a calculator model and model series
- Features USB connectivity with device ID 0451:e004
- Origin: United States
- Contains 15 sitelinks across Wikipedia language editions
- Freebase ID: /m/0f6jk

## FAQs
### Q: What makes the TI-89 series different from other graphing calculators?
A: The TI-89 series features symbolic manipulation capabilities (Computer Algebra System), 3D graphing functions, and advanced calculus tools that distinguish it from basic graphing calculators.

### Q: What processor does the TI-89 series use?
A: The TI-89 series uses the Motorola 68000 microprocessor, a 16/32-bit processor originally introduced in 1979.

### Q: What is the TI-89 Titanium?
A: The TI-89 Titanium is an enhanced version within the TI-89 series featuring increased memory, USB connectivity, and additional preloaded applications compared to the original TI-89.

## Why It Matters
The TI-89 series represents a significant advancement in educational technology, providing students and professionals with powerful computational tools that bridge the gap between basic calculators and computer software. Its Computer Algebra System (CAS) capability allows users to manipulate algebraic expressions symbolically, making it invaluable for advanced mathematics, engineering, and science courses. The calculator's ability to handle calculus, differential equations, and matrix operations in a portable format has made it a standard tool in many academic programs, particularly in STEM fields. Its widespread adoption in educational institutions has standardized mathematical problem-solving approaches and provided students with professional-grade computational tools at an accessible price point.

## Notable For
- First TI graphing calculator to include symbolic manipulation (CAS) capabilities
- Features 3D graphing functionality in a handheld calculator format
- Includes USB connectivity for data transfer and software updates
- Supports multiple programming languages including TI-BASIC and assembly
- Widely adopted in AP Calculus and college-level mathematics courses

## Body
### Technical Specifications
The TI-89 series calculators feature a 160x100 pixel LCD display with 4-level grayscale, providing clear visualization of graphs and equations. The devices include 256 KB RAM and 2 MB flash memory in the Titanium model, significantly more than the original TI-89. The calculators support various file formats and can interface with computers via USB connection.

### Software Capabilities
The TI-89 series runs a customized version of the TI-AMS (Advanced Mathematics Software) operating system, providing built-in applications for algebra, calculus, differential equations, and statistics. The Computer Algebra System allows users to solve equations symbolically, factor expressions, and perform calculus operations including derivatives and integrals. The calculators also include programming capabilities, allowing users to create custom applications and games.

### Educational Impact
The TI-89 series has become a standard tool in many educational institutions, particularly in advanced mathematics and engineering courses. Its ability to handle complex symbolic calculations while remaining exam-acceptable (in many jurisdictions) has made it invaluable for students. The calculators support various educational standards and are approved for use on many standardized tests, though CAS functionality may be restricted in some exam settings.

### Market Position
Within the graphing calculator market, the TI-89 series occupies a premium position, offering more advanced features than the TI-83/84 series while maintaining the reliability and support expected from Texas Instruments. The series competes with similar offerings from Casio and HP, though its CAS functionality and educational support network have maintained strong market share in North American educational markets.

## 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