--- product_id: 1154900 title: "Texas Instruments TI-89 Advanced Graphing Calculator" brand: "texas instruments" price: "€ 156.41" currency: EUR in_stock: true reviews_count: 7 url: https://www.desertcart.be/products/1154900-texas-instruments-ti-89-advanced-graphing-calculator store_origin: BE region: Belgium --- # 500 KB memory High-res display TI-GRAPH LINK support Texas Instruments TI-89 Advanced Graphing Calculator **Brand:** texas instruments **Price:** € 156.41 **Availability:** ✅ In Stock ## Summary > 📈 Elevate Your Calculations with the TI-89! ## Quick Answers - **What is this?** Texas Instruments TI-89 Advanced Graphing Calculator by texas instruments - **How much does it cost?** € 156.41 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.be](https://www.desertcart.be/products/1154900-texas-instruments-ti-89-advanced-graphing-calculator) ## Best For - texas instruments enthusiasts ## Why This Product - Trusted texas instruments brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Solve with Precision:** Compute symbolic solutions to differential equations with ease and accuracy. - • **Unleash Your Potential:** With over 500 KB of memory, store all your essential functions and programs effortlessly. - • **Visualize with Clarity:** Experience Pretty Print technology that presents math just like your textbooks. - • **Connect and Collaborate:** Seamlessly link to computers and laptops with the included input/output port and cable. - • **Dual Views, Double the Insight:** Utilize split-screen functionality for multitasking and enhanced problem-solving. ## Overview The Texas Instruments TI-89 Advanced Graphing Calculator is a powerful tool designed for students and professionals alike, featuring 500 KB of memory, a high-resolution LCD display, and advanced capabilities for solving complex mathematical problems. With its durable titanium body and compatibility with various devices, this calculator is perfect for anyone looking to enhance their mathematical prowess. ## Description Product Description The product description for this item is for the TI-89 Titanium and describes features that are not included with the TI-89 Advanced. The TI-89 Advanced does not include a USB Port, but a basic 3.5mm I/O input. .com Essential for AP Calculus, college math, and beyond, the TI-89 is the most logical handheld technology for advanced mathematics studies. Enhanced with Flash technology, this handheld gives you the flexibility to add calculator software applications and additional functionality, providing long-term value. Built-in advanced mathematics software includes a Computer Algebra System (CAS) enabling you to manipulate mathematical expressions and functions (factor, solve, differentiate, integrate, and more). It also includes differential equations, 2-D graphing and data analysis, 3-D graphing with rotations, linear algebra, interactive numeric solver, constants, unit conversions, statistical regressions, and optional assembly language programming. ## Features - Over 500 KB memory for storing functions, programs, and data - Pretty Print technology displays mathematical expressions as they appear in textbooks - High-resolution display with split-screen views - Computes symbolic solutions to differential equations - Input/output port and cable, also supports optional TI-GRAPH LINK ## Technical Specifications | Specification | Value | |---------------|-------| | Number of Batteries | 4 AAA batteries required. (included) | | Display Type | LCD | | Compatible Devices | Computers, Laptops | | Power Source | Battery Powered | | Calculator Type | Graphing | | Material | titanium | | Color | Black | ## Product Details - **Brand:** Texas Instruments - **Color:** Black - **Calculator Type:** Graphing - **Power Source:** Battery Powered - **Screen Size:** 4 Inches ## Images ![Texas Instruments TI-89 Advanced Graphing Calculator - Image 1](https://m.media-amazon.com/images/I/61S9UJWOIvL.jpg) ## Questions & Answers **Q: is it better than the ti-84** A: The black TI-89 is older than the TI-84. It has the computer algebraic system which is able to do a lot of the algebraic processes with the calculator like factoring, expanding, etc. It is great for Calculus when you already have your Algebra skills mastered. The TI-84 is more useful for other subjects, particularly Statistics. It just depends on what you need the calculator for to decide which is better. **Q: is the calculator purple?just want to make sure before i buy because the picture is purple** A: it doesn't matter the purple color the problem was the color of different function. they were written very much similar to the back ground color which makes harder to read i have seen a clear picture and get darker one .i remember dark green on black. **Q: Is this the titanium or the original version?** A: The one that is pictured is the original...but, I purchased the Titanium version for my son. **Q: does this calculator do inequalites, does it also do nth root and log root etc basically does it have all the features of a titanium** A: Don't buy this model. It is outdated by more than 10 years. The main difference is the quantity of memory. Titanium supersede it 10 years ago and costs much less. The colors shown on the photo are not actual. Buy a Titanium for +/- $120. Titanium does everything for algebra, including inequalites, nth root, log, Ln, solves systems of several variables, matrices, integral, derivatives. It is really a dream. I had to return it and got a TI-89 Titanium. To have it clear, go to TI site. ## Customer Reviews ### ⭐⭐⭐⭐⭐ TI-89 Much better choice than TI-83 *by C***K on August 26, 2003* The TI-89 has a built in algebra system which is easily better than the 83 and that the 83 does not have. The algebra system means that it can do derivatives and very annoying, sloppy, and difficult integrals easily and display it in simpliest form. It can also desolve differential equations in algebraic symbols (however it does not show the work, so you can't just use the calculator for tests and not study for it). It can also graph in 3D, very good for 3D plots which can be a pain in the [neck] in Multivariable calculus (second year of calculus). It also have many other smaller features (which i can't mention them all) and also a better screen (as in resolution-wise).Being in BC calculus, its much better to use a 89 than a 83. However, on MY tests and on the AP the 83 and the 89 DOES NOT have any advantage over one another. They gear the AP (college level which you can get credit for) test so that one another would not have that much of a difference in your results. I pulled off a 5 (highest score) with ease with the 83. In more advanced classes in college (not just calculus) you will need this calculator: it does a lot more things in algebraic form and also faster as well since the CPU is clocked higher.All in all, it comes down to price. In my opinion, its worth the extra 50-70 dollars. Usually in class when my teacher wants to double check the answer, he draws out his 89 or he gets another classmate to check. If you are not intending to push beyond first year calculus, the 83 is better. If you do intend to go further into math, then the 89 is needed. Who wants to memorize the derivative of arcsec(x)? With the 89, all you do is type that in and pops out the expression. ### ⭐⭐⭐⭐⭐ Penny into a Nickel *by A***N on July 15, 2011* It was said of my grandparents that they knew how to turn a penny into a nickel, i.e. they could find values and bargains.I bought this original model TI-89 from a private seller here on Amazon for $45.49 including shipping, and while it really does have a few years on it, it barely looks a year old and is functionally like new. I could have gone to my nearest big box store and purchased a TI-89 Titanium for $155.13, including my local sales tax, and I would have wound up with very little additional functionality and a more gawdy and distracting outward appearance, and I don't think I'd like the curved keyboard. I could use my new/used TI-89 to divide 45.49 into 155.13 and see that I paid only 29.3% of what what I could have.Other reviews suggest that the '89 can't do logarithms of negative numbers. That is because by default, the '89 limits itself to real number inputs and solutions. For that reason, the square root of -2 gives you the same error message. Do Mode -> Complex Format and change the setting from "Real" to "Rectangular," and you'll be fine.My only caveat is that this is not a good calculator to use if your vision isn't good. ### ⭐⭐⭐⭐⭐ Works After 9 Years of Use, Could Have Gotten It Cheaper Elsewhere *by K***T on February 16, 2020* I bought this for a college class 9 years ago and the calculator has held up. I bought the used version so I am unsure how old it truly is. It is a calculator and does the graphing like I needed but these are a dime a dozen at the thrift store so in hindsight I would have just boughten this from there instead if I could do it over again. However the brand and model are solid so if you need a graphing calculator I would definitely recommend Texas Instruments, they are well known and make solid products. ## Frequently Bought Together - Texas Instruments TI-89 Advanced Graphing Calculator - USB Power and Data Cable for Texas Instruments Calculators, TI-84 Plus, TI-84 Plus C Silver Edition, TI 89 Titanium, TI Nspire CX / TI Nspire CX CAS Graphing Calculators - Texas Instruments TI-84 Plus Graphics Calculator, Black 320 x 240 pixels (2.8" diagonal) --- ## Why Shop on Desertcart? - 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016 - 🌍 **Shop Globally** — Access 737+ million products across 21 categories - 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price - 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members) - 🔒 **Secure Payments** — Trusted payment options with buyer protection - ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews **Shop now:** [https://www.desertcart.be/products/1154900-texas-instruments-ti-89-advanced-graphing-calculator](https://www.desertcart.be/products/1154900-texas-instruments-ti-89-advanced-graphing-calculator) --- *Product available on Desertcart Belgium* *Store origin: BE* *Last updated: 2026-04-29*