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The TI-84 Plus Silver Edition is a graphing calculator released in 2004. It includes a USB port, pre-loaded software, APPS, storage, and a removable front and back case.

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A few buttons on my calculator aren't working

I bought this ti-84 plus black graphing calculator on ebay and the LN, 4,5,6 and - buttons dont work.

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Refer to this guide for troubleshooting and fixes.

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