So I have a project due tomorrow and I really need to use a caculator and Mine won't work right.(adsbygoogle = window.adsbygoogle || []).push({});

When insert

-1x/(x<o)/(x>-1)

It saids its not an algebraic expression how do I fix that.

I try it with an ti 84 and it worked.

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# Calculators Ti 89 Graphing help

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