TI-89 Question...

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Discus: SAT/ACT Tests and Test Preparation: May 2003 Archive: TI-89 Question...
By Montydsw11 (Montydsw11) on Tuesday, May 06, 2003 - 07:36 pm: Edit

Sorry for my newbines, I just purchased the 89 and am still learning how to use it.

I was wondering how you can get the calculator to display non-real answers (in terms of i). For example, when I enter ROOT(-1), it says "non real value". Similaarly, when I enter solve(x^2+x+1=0,x) I get the same error. I realize it is probobly something small, but I can't seem to find it. Thanks again, and I apologize for the simplistice nature of my question!

By Montydsw11 (Montydsw11) on Tuesday, May 06, 2003 - 08:12 pm: Edit


By Andrew123s (Andrew123s) on Tuesday, May 06, 2003 - 08:16 pm: Edit

Go to Mode. Where it says "Complex Format," change it to rectangular.

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