- The zip calculator case is a robust and durable solution for protecting your graphic calculator during transport. With its strong construction and anti-wear features, it ensures your device remains safe from damage. - Compatible with popular models including TI-83 Plus, TI-84 Plus, TI-84 Plus C Silver Edition, TI-84 Plus Color Edition, TI-89, and HP50G, this case is designed to accommodate your specific needs. - The hard zipper case features a dedicated zip pocket on the top for securing your charging cable and adapter, making it easy to keep all your accessories organized. The main compartment includes an elastic strap to firmly hold your calculator in place. - A practical carrying strap enhances portability, while an integrated mesh pocket provides additional storage for your charger and cable accessories. - The Essential Kit comes with a mechanical pencil and an eraser, crafted from durable materials to withstand everyday use. The soft interior, lined with knitted layer inner pockets, ensures your cables and USB connectors are well-protected. - Use this case for school, work, or travel to keep your calculator and accessories organized and secure. Whether commuting to class or attending a professional meeting, the zip calculator case offers the convenience and protection you need.