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Amazon.com : Texas Instruments TI-85 Advanced Graphing Scientific Calculator (Renewed) : Office Products
![My TI-85 scientific calculator circa 1992 (30 years old this year) still going strong! I use this DAILY. Dropped it 50 times or so over the years so hard the batteries all My TI-85 scientific calculator circa 1992 (30 years old this year) still going strong! I use this DAILY. Dropped it 50 times or so over the years so hard the batteries all](https://i.redd.it/yu8eax8inmo81.jpg)
My TI-85 scientific calculator circa 1992 (30 years old this year) still going strong! I use this DAILY. Dropped it 50 times or so over the years so hard the batteries all
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