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Best Ti 89 - Holiday Sale

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Last Updated - 15.12.2025

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01

CALCUSO

P-TR-CX-II-T-CAS Texas Instruments Calculator

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9.8

Exceptional

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The kit includes the TI-Nspire CX II-T CAS, a WYNGS protective case in black for optimal protection and an extended warranty from CALCUSO, which offers additional safety and reliability. Perfect for school and work
The basic package from CALCUSO offers an ideal combination of the powerful TI-Nspire CX II-T CAS and a robust protective case from WYNGS. It is perfect for everyday use at school, study and office and ensures reliable calculations as well as safe protection on the go.
The TI-Nspire CX II-T CAS offers all the features of the CX II-T plus a powerful computer algebra system (CAS) for symbolic calculations. Ideal for algebra, calculus and natural sciences. With Python programming and interactive tools for study & school.
Robust WYNGS protective case: the protective case provides optimal protection for your TI-Nspire CX II-T CAS. It reliably protects against splashes, bumps and scratches - ideal for on the go, school or study and ensures a longer life of your calculator
Extended 5 year warranty: benefit from the exclusive CALCUSO warranty extension for the TI-Nspire CX II-T CAS. At 5 years, you are well protected - for long-lasting reliability in school, study and work

182,99 €
Value for Money

02

Texas Instruments

TI-84 Plus CE-T Python Edition with Protective Case from WYNGS in Black - Basic Set

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9.6

Exceptional

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The TI 84 Plus CE-T has a high storage capacity for even more applications - 3 MB ROM, 154 KB RAM
Texas Instruments - TI-84 Plus CE-T functionality with a high-resolution colour display
TI-84 Plus CE-T Protective Case
TI-84 Plus CE T with integrated battery
MathPrint mode of the TI 84 Plus CE T: representations as in the mathematics book, e.g. B. Display of fractions in tables and matrices - also in colour

147,99 €
03

Texas Instruments

Texas Instruments TI-84 Plus CE-T Python Edition Graphical Calculator (Colour Display) Black

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9.4

Excellent

Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

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The TI-84 Plus CE-T Python Edition Graphing Calculator is extremely light and handy. This new model allows programming in Python. With 3 MB flash ROM memory for data archiving and storage of apps
Calculator with ideal readability thanks to high-resolution, backlit display. Screen size: 320 x 240 pixels (2.8" diagonal) in 140 DPI resolution, colour depth 16 bit. Built-in TI battery (the TI battery can last up to a week after charging.)
Available matrix operations: Reverse, Determinant, Transpose, Matrix Extension, Stair Normal Shape, and Elementary Line Transformations. Convert matrix to list (and vice versa) List-based statistical analysis for one or two variables, including logistics, sine, median-median, linear, logarithm, exponential, potency, square, cubic and quaternal regression models
Add images as chart background, change function graphs in 15 colors, format and color of graph axes and grids. 3 definitions of statistical diagrams for scatter charts, line charts, histograms, boxplots and modified boxplots as well as normal distribution charts
Add custom apps to your TI-84 Plus CE-T Python Edition. This allows you to extend the functionality of your computer. These specific math and science functions deepen your understanding

138,64 €
04

Bicmice

USB Charging Cable Compatible with Ti-84 Plus CE, Ti-84 Plus/C Silver Edition, Ti-Nspire CX/CAS, Ti-89 Titanium, Ti-Nspire CX II/CAS Graphic Calculator USB A to Mini-B USB Cable for Texas Instruments

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9.3

Excellent

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Specifications: 1 m / 3.3 ft standard A USB 2.0 to Mini-B USB 5pin cable. Please confirm the shape of the calculator's USB port is exactly the same as the USB cable before purchasing.
PROFESSIONAL SERVICE Our commitment to excellence does not end at the point of purchase. We offer comprehensive product support, customer service and 24H customer service. Customer satisfaction is our top priority, and our customer service team is at the heart of this mission. We pride ourselves on providing personalized, friendly and professional support that exceeds your expectations.
MORE STABLE DATA TRANSFER This USB cable serves two purposes: transfer data and facilitate charging. It allows seamless transmission of information between devices. This feature allows users to sync files, update software and efficiently back up important data. In addition, the data cable is equipped with the required power conductivity to supply electrical current to the devices and thus allow charging. By integrating data transfer and charging capabilities into a single cable, it provides a convenient and efficient solution for maintaining device connectivity and performance.
Improved durability: with a construction of 11*0.15+10*0.10 high-quality copper cores, this power cable line is designed to withstand 180 degree bends over 10,000+ times, as well as plugging and unplugging over 10,000+ times, and can carry up to 44lbs (20kg) weight. It is durable and sturdy, making it ideal for frequent use.
DESIGNED FOR TEXAS INSTRUMENTS Specifically designed for Texas Instruments Graphing Calculators, specialized in solving charging and data transfer problems for the following models: TI-84 Plus Graphing Calculator, TI 84 Plus C Silver Edition, TI-84 Plus CE, TI-Nspire CX CAS, TI-Nspire CX II CAS, Ti-89 Titan.

4,60 €
05

Texas Instruments

Texas Instruments TI-Voyage 200

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9.2

Excellent

Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

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The Texas Instruments Voyage 200 is a very powerful programmable calculator. New features make the Voyage 200 particularly user-friendly: built-in clock for performing time-critical experiments and simulations, icon-based menu control for intuitive user guidance, a large flash ROM.
Power supply: batteryMain batteryBackUp batteryData communication: yes
Functions: 412 independent memory: yes
DisplayType: DOT. Number of lines: 16Number of characters: 40Graphics: JaMantisse/Exponent: 10+2
Basic functions (potency, root, etc. )Percentage calculationFractional calculationExponential/logarithm functionsLogical operatorsAlgebra LogicCalculation with complex numbers matrix calculation etc.

70,00 €
06

Panlouting

Panlouting USB Charger 100 cm Charging Cable Data Cable Compatible with Texas Instruments TI-84 Plus CE Graphing Calculator, TI 89, TI-Nspire CX/CX CAS

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9.0

Excellent

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REPLACEMENT CABLE This is a replacement USB2.0 charger / data cable specifically designed for the Texas Instruments TI-84 Plus CE Graphing Calculator ensuring a reliable charging and data transfer solution.
Functionality: It serves as both a power charger and a data sync cable, allowing you to charge TI 84 Plus CE, TI 84 Plus C Silver Edition and other compatible graphics calculators, as well as transfer data between the computer and a computer.
COMPATIBILITY This charger is compatible with a range of Texas Instruments Graphing Calculators including TI-84 Plus CE, TI-84 Plus, TI84 Plus CE Color, TI 84 Plus C Silver Edition and TI-Nspire CX II, TI-Nspire CX, TI Nspire CX CAS and TI 89 Titanium.
Box contents: you will receive a 100 cm long charging cable, which is suitable for everyday use, whether at home or in the classroom. With this USB charging cable, you can always charge and keep your computer ready to use.

3,99 €
07

CREATESPACE

Using your TI-89 in learning electrical circuits Part 1: Linear Resistive Circuits
8.9

Very Good

Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.
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14,03 €
08

PChero

PChero Replacement USB Data Charging Cable for Texas Instruments TI-84 Plus CE, TI 89, TI Nspire CX Graphing Calculator

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8.7

Very Good

Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

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WIDE COMPATIBILITY Compatible with Texas Instruments TI-84 Plus, TI-84 Plus CE, TI-84 Plus C Silver Edition, TI 89 Titanium and TI Nspire CX / CX CAS Graphing Calculators.
Practical for study: lengths at 3.28 ft/1 m. This USB 2.0 to Mini B Type A adapter cable can be easily charged via the USB port of the laptop/PC, power bank, charger and car charger.
HIGH PERFORMANCE CABLE: High quality 24AWG copper inner core with sealed Stury plastic, supports high speed USB 2.0 transfer rate up to 480Mbps.
2 in 1 Function: Four-core data cable design for charging functions and data transfer. Perfect for Texas Instruments TI-84 Plus CE Graphing Calculator.
* IMPORTANT *: OEM parts. Please confirm the specifications and plug size before purchasing! If you can't be sure, please feel free to contact us.

7,99 €
09

CREATESPACE

SAT II Math with TI 89: Advanced Caculation and Graphing Techniques with TI 89 for the SAT Math 1 and 2 Subject Tests
8.4

Good

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26,70 €
10

Toxaoii

TI-84 Plus CE Charging Cable Compatible with Texas Instrument Calculators, TI 89 Titanium, Nspire CX II CAS, Silver Calculators, Nspire CX CAS (5FT)

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8.3

Good

Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

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Main highlights

【What you get】1 × Micro USB cable. If there is a problem with the product, please feel free to contact us. We offer you friendly customer service.
【Plug and Play】The length of the TI-84 Plus CE charging cable is 80 cm and is compatible with Texas Instruments TI-84 Plus CE graphing calculator. The cable is soft and tangle-free, making it easy to carry.
【High-quality USB Mini Charging Cable】The charging cable of the TI-84 Plus CE is made of thickened PVC material, which has passed over 10,000 bending tests, thus ensuring a long service life, strong cable tensile strength and high safety.
【Fast Charging】The Texas Instruments TI-84 Plus CE USB 2.0 to Mini Power Charging Cable is made of an improved and thickened oxygen-free copper core, which reduces resistance and makes charging faster and safer.
【Compatible】The mini USB charging cable is compatible with graphics calculators TI-84 Plus, TI-84 Plus CE, TI-84 Color, TI 84 Plus C Silver, TI-89 Titanium, TI-Nspire, TI-Nspire CX II, TI-Nspire CX II CAS, TI-Nspire CX CAS, TI Touchpad, TI-84 Plus C Silver and other devices with Texas Instruments Nspire CX, TI-Nspire CX CAS, TI Touchpad, TI-84 Plus C Silver Edition and many other devices with USB mini ports are compatible.

8,98 €