
Best selling Calculator accessories
Here's a ranking of the best products in this category. To give you a quick overview, we've also added some key information about the products.
1. TI Spare Battery Pack
Lithium-Ion Battery for TI-Nspire
- For TI-Nspire CX, TI-Nspire CAS, and TI-84 Plus CE-T (manufactured from April 2014)
- Charging via USB port of your PC or charger (sold separately)
- Up to 100 hours of battery life
With this lithium-ion battery pack, you can extend the battery life of your calculator to up to 100 hours while saving money by not having to constantly purchase new AAA batteries. You do not need to remove the battery from the handheld to charge it. Simply connect the device to your computer via the USB port. Alternatively, you can use the charger for the TI-Nspire battery (not included). A charging cycle takes a maximum of six hours.

2. TI Charger TI-NSP-2LG
The TI USB power supply can be used alone or together with the TI lithium-ion battery. The TI lithium-ion battery can be fully charged with this charger, the TI USB power supply, in a maximum of 6 hours. Input: 100-240V AC, 50/60Hz. Output: 5V DC, 1000mA. Cable length: 1.8 m. USB connector: Type Mini-B 5-pin (standard).

3. Casio FX-CASE-CB-DK2
Casio FX-CASE-CB-BK2 case for calculator features a protective case for calculators up to 8.0 x 16.5 x 2.3 cm. It is a rugged case with the Casio logo and has a soft inner material for ideal protection. The case provides protection against scratches, dust, and shocks, and includes space for accessories such as pens, an eraser, and a ruler.

4. Casio IR40T Color roll black, red
The Casio IR40T color ribbon is an essential accessory for various models of calculators equipped with printing functions. This ink ribbon offers a combination of black and red ink, ensuring clear and precise prints. It is compatible with a range of Casio calculators, including the FR-2650, FR-520, and HR-150TEC models. The color ribbon comes in eco-friendly packaging, making it a sustainable choice for environmentally conscious users. With a compact design and lightweight construction, the IR40T color ribbon is easy to handle and store. It guarantees reliable performance and is ideal for daily use in offices or educational settings.
- Compatible with multiple Casio models, including FR-2650 and HR-150TEC
- Provides a combination of black and red ink for versatile printing
- Eco-friendly packaging for sustainable use
- Lightweight and compact for easy handling and storage.

5. Casio Protective bag in carbon design for graphic calculators
The Casio carbon design protective case offers effective protection for graphic calculators such as the FX-CG50, FX-9860GIII, and FX-7400GIII models. Made from durable materials like polyurethane, polyester, and nylon, this case ensures high resistance to external influences. The soft interior material protects the calculator from scratches and impacts, while the sturdy exterior featuring the Casio logo provides an appealing look. The case is not only functional but also practical, as it offers additional space for accessories like pens, erasers, and rulers. With a thoughtful design and convenient size, this protective case is ideal for daily use and transporting graphic calculators.
- Sturdy exterior with Casio logo for added stability
- Soft interior material protects against scratches and impacts
- Additional compartment on the inside of the lid for accessories
- Lightweight at only 125 g for easy transport.

6. Dipos Screen Protector Crystalclear
No impairment of display visibility and touchscreen functionality. You will hardly notice any difference compared to a device without a screen protector. Scratch-resistant due to the specially hard-coated surface! Highly resistant to scratches and abrasion! 4H pencil hardness. Precisely cut, excellent quality ensured by the use of state-of-the-art precision machines (laser cutting technology) - optimal edge adhesion, very good shape stability. Easy installation! No bubble formation possible on a dust-free display! When applying the film, the air is displaced and it adheres to the display as if by itself. Can be removed at any time without leaving residue! Made in Germany - construction, cutting, and finishing at fair wages in Germany.

7. TI Innovator Rover
Practical application of coding: The rover can be controlled with simple commands. You will need a TI-Innovator Hub with TI LaunchPad board and a TI-Nspire CX (CAS) handheld or a TI-84 Plus CE-T, or Python graphics calculator.

8. Dipos Screen Protector Full-Cover 3D
The Full-Cover 3D screen protector from Dipos offers comprehensive protection for the Texas Instruments TI Nspire CX CAS calculator. This premium screen protector is specifically designed for the curved glass surface of the device, ensuring that 100% of the display area is covered. The film not only protects against scratches but also features an anti-shock layer that significantly reduces the risk of the display glass breaking. The innovative adhesive allows for easy application and residue-free removal, making handling straightforward. Additionally, the touch functionality of the display remains unaffected by the film, preserving the user-friendliness of the calculator. With a 10-year manufacturer warranty, this film is a reliable companion for anyone looking to optimally protect their calculator.
- Full-Cover screen protection for 100% coverage of the curved glass surface
- Anti-shock layer to reduce the risk of breakage
- Compatible with in-screen fingerprint sensors for uninterrupted touch functionality
- Easy application and removable without residue
- 10-year manufacturer warranty for added security.

9. Dipos Screen Protector Anti-Glare
Scratch-resistant, hard-coated surface with 3H pencil hardness. Test winner of c't magazine issue No. 3 (2012): Anti-glare films tested. Among manufacturers like Belkin, Folix, Hama, hsw3000, Moshi, and 3M, the dipos anti-reflective film is the only one rated very good for glare reduction. Made in Germany! Precisely cut to fit using the latest machines. Easy application - 100% bubble-free installation on a cleaned display! The special silicone adhesive layer displaces air during application and adheres smoothly to the display. No impact on usability! The dipos screen protector provides a pleasant touch experience.

10. Dipos Screen Protector Anti-Shock
The Dipos Anti-Shock display protector is a high-quality protective film specifically designed for the Texas Instruments TI Nspire CX calculator. This film provides effective protection against impacts and scratches without compromising the usability of the display. It is made from a robust plastic material with a hardness of 9H, offering excellent resistance to everyday wear and tear. The film is precisely cut and can be applied bubble-free, allowing for easy installation. Additionally, it can be removed at any time without leaving adhesive residues. The matte, anti-reflective surface ensures that the display remains easily readable even in direct light, and the oleophobic coating protects against fingerprints. With a 10-year manufacturer's warranty, this display protector is a long-term investment in the protection of your calculator.
- 9H hardness for optimal scratch protection
- Anti-shock layer for additional impact absorption
- Bubble-free application and removable without residue
- Anti-reflective, matte surface for better readability
- 10 years manufacturer's warranty.
