Monday, July 12, 2010

No graphing occurs on my TI-83?

After I put the numbers in L1 and L2 I press 2nd 1 and 2nd 2 (entering both times) to get both L1 and L2 on the screen. Then I go to the plots and turn the first one on and pick which graph I want. When I press graph nothing ever happens. I don

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