Forum TI-Planet.org

Hello,

I have just purchased an HP prime calculator, therefore I am testing it and comparing it with my Ti 89 titanium. Unfortunately when I do the calculation (1 / x) * (x + 1) I find +Infinite on my HP when I should find and get on my ti89: ((x + 1) / x)
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I looked in the settings of the Hp but nothing! Is this normal? What do I have to change to get((x + 1) / x)?

thanks
jackyjoy

Hi.

You've got to perform such calculations on the

CAS

screen.

If that's the case, then maybe there is a value stored in x.
You can use purge(x) to clean it.