Posted by **Rachelle** on Wednesday, November 12, 2008 at 8:28pm.

Hi! Does anyone know a simple way to program the quadratic formula into a TI-83 (Texas Instruments?) I googled it, but most of the results required downloading (I don't have a connecting cable), or a bunch of keys that I couldn't find on my computer. Let me know if anyone has discovered a good way to do this. Thanks!!!

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