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mathsphysicsnormally's avatar

How to use a TI-89 calculator to simplify simple expressions?

Asked by mathsphysicsnormally (324points) December 12th, 2010

so I want to simply (xy)/(xz) to get y/z but the ti-89 doesn’t seem to do it from the off, how can I get it to rearrange it?

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2 Answers

Jamisonxoxo's avatar

I dont know but would this be any help http://oakroadsystems.com/math/polysol.htm good luck!

Jamisonxoxo (36points)“Great Answer” (0points) Flag as…
jerv's avatar

I am not entirely sure as I am an HP 48-series guy myself.

However, I think that your little TI might be unable to interpret (xy) as the equivalent of (x * y) so it might consider the equation you type as only having two terms (xy and xz) instead of three (x, y, and z) in combination that include a multiplication symbol between the terms.

Try (x * y) / (x * z) and see if it does something different.

jerv (31079points)“Great Answer” (0points) Flag as…

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