US
Texas Instruments

Texas Instruments TI-85 Graphing Calculator

  • Up to 99 graphing functions
  • 8-line by 21-character display
  • 28K RAM, programmable menu keys
  • 4 AAA batteries plus lithium backup
  • Link cable, case, guidebook included
  • 1-year warranty

Updated 25 days ago · Based on the Amazon listing and published specifications, not hands-on testing.

Our verdict

A capable graphing calculator for engineering and calculus students with strong regression and differential equation tools. AAA batteries are not included.

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ASIN: B00005QT8AModel: TI-85Category: Graphing Calculators

Overview

Not a basic scientific model, the Texas Instruments graphing calculator handles calculus, differential equations, polynomial roots and a wide range of regressions. Customizable menu keys and RAM support programs, and a link cable shares data.

Solvers and differential equation graphing cover college engineering and calculus coursework. Many exams restrict advanced graphing calculators, so check test rules first.

Who it's for

College math and engineering students suit it, from pre-algebra up through calculus. Younger students may find it more than needed.

Pros and cons

Pros
  • Many graphing functions
  • Link cable and case included
  • Lithium memory backup
Cons
  • AAA batteries not included
  • Exam rules may restrict it

Performance notes

Simultaneous graphing and interactive zoom let students compare functions directly. The lithium backup protects programs and data when AAA cells are changed.

Specifications

BrandTexas Instruments
ModelTI-85
Dimensions & fit
Item Dimensions L x W9.45 x 4.33 inches
Item weight12.8 ounces
Power & efficiency
Power Source4 AAA batteries plus lithium backup
Included components
Included componentsCalculator, lithium backup battery, link cable, guidebook, slide case
Warranty & support
Warranty Description1-year, parts and service
Other details
Calculator TypeGraphing, engineering/scientific
Display TypeLCD, 8 lines by 21 characters
Graphing functionsUp to 99
Memory28K RAM

Frequently asked questions

What comes in the box with the Texas Instruments TI-85?

The TI-85, a lithium backup battery, a link cable, a guidebook with warranty card and an impact-resistant slide case. AAA batteries are not included.

Can the TI-85 link with a TI-86?

Yes. The unit-to-unit link works with all TI-85 and TI-86 models.

Can it graph differential equations?

Yes, along with parametric and polar equations.