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smileyprincess111 smileyprincess111
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10 years ago
I have TI- 89 Titanium  graphing calculator and I know that some people use it to solve quadratic equations quickly.  How?  Also if you have any tips about other cool stuff it can do let me know.  Thanks.
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budd20budd20
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10 years ago
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10 years ago
On the Home screen press f2, and enter.
on the entry line there should be solve()
to use solve in between the parentheses (equation, variable to solve)
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