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April 25, 2015

Homework Help: Calculator Help

Posted by Amy~ on Wednesday, June 2, 2010 at 4:27pm.

Is there a difference between TI-89 Titanium calculator and TI-83 calculator?
Because I'm taking a final exam and my teacher will only allow us to use a TI-83 calculator and
I've never used it... like for putting in the parentheses with the log when dividing log4-log7 / log6... Is log the same as ln because I tried using it on my friend's calculator and it gave the wrong answer.

Would I put it in as ((log(4)-log(7))/((log(6)) ?

Also my teacher said that if we want to keep the answer from a problem to use in another problem I needed to use something to save the whole number (for example when the number is 0.85694...). An example would be finding the half life of something (finding the growth or decay factor (the k) in the equation y=ne^kt) and then putting the answer found for k into another equation.
Does anyone know what I need to do on the TI-83 calculator???

Thanks, and also can someone answer this and not put a website?

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