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## Main Question or Discussion Point

First of all I would like to share this because I randomly found it and I commonly see that people approach base changes of common logs on the ti89 titanium in a very different way.

Scroll half way down page 2 http://education.ti.com/xchange/AUS-NZ/Mathematics/Number/12250/SomehelpQAontheTI89.pdf [Broken]

Also, the command "Diamond" and then 7 opens the log() function on ti89 titanium

Ok on to my question.

is there a quick way to enter this equation and simplify?

5lnx+6lny-4lnz =

The answer is ln(x^5*y^6/z^4)

Scroll half way down page 2 http://education.ti.com/xchange/AUS-NZ/Mathematics/Number/12250/SomehelpQAontheTI89.pdf [Broken]

Also, the command "Diamond" and then 7 opens the log() function on ti89 titanium

Ok on to my question.

is there a quick way to enter this equation and simplify?

5lnx+6lny-4lnz =

The answer is ln(x^5*y^6/z^4)

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