TI-89 Titanium Graphing Calculator

The TI-89 Titanium is a high-performance graphing calculator designed for advanced mathematics, science, and engineering coursework. With its powerful symbolic algebra system (CAS), high-resolution display, and extensive functionality, it’s ideal for college-level math, AP courses, and engineering programs.

Built to handle everything from calculus and differential equations to linear algebra and 3D graphing, the TI-89 Titanium features a full range of symbolic manipulation capabilities—allowing users to solve equations, factor expressions, compute exact integrals and derivatives, and more. Its built-in USB port and large flash memory make it easy to connect, share, and store data and applications.

Key Features:

• Computer Algebra System (CAS): Perform symbolic manipulation of algebraic expressions, including solving equations, factoring, and expanding
  
  
• Advanced Graphing: 2D and 3D graphing of functions, polar, parametric, and differential equations
  
  
• Built-In Apps: Includes EE*Pro for electrical engineering, Symbolic Math Guide, and more
  
  
• Data and Matrix Operations: Ideal for advanced statistics, matrix algebra, and engineering calculations
  
  
• USB Connectivity: Easily transfer files and apps to and from other devices
  
  
• Large Flash Memory: Store apps, variables, and programs with ease
  
  

Specifications:

• Display: High-contrast, 100 x 160 pixel LCD
  
  
• Memory: 2.7 MB flash ROM, 188 KB RAM
  
  
• Power Source: 4 AAA batteries + backup battery
  
  
• Dimensions: Approx. 7.5" x 3.5" x 1"
  
  
• Weight: Approx. 9.1 oz (258 g)
  
  
• Connectivity: USB port and unit-to-unit link capability
  
  
• Includes: USB cable and protective slide case
  
  

Approved for Use On:

• AP Exams (Calculus, Physics, Chemistry, Statistics—where graphing calculators are allowed)
  
  
• PSAT/NMSQT
  
  
• SAT
  
  
• IB and many state-level exams
  
  

Not allowed on the ACT due to its CAS functionality.

The TI-89 Titanium is a powerhouse graphing calculator for students and professionals who need advanced computing capabilities. It delivers robust performance for symbolic math, engineering tasks, and complex scientific analysis—making it a top choice for serious academic and technical work.