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Sorry if this is a wrong place to post the question about TI calculator. I can’t find a forum for TI cal which is still active nowadays.

Recently I just got a TI 89 titanium calculator. There is no Laplace & Inverse Laplace transform function.

Any advise or recommended app for Laplace transform / Inverse Laplace transform.

I tried one here
https://www.ticalc.org/pub/89/basic/math...us/lzt.zip

It is pretty big package, taking quite a lot of memory.

Any good Laplace transform app which is smaller and also good to use.

Thank you.

Sorry, I don't know if you have checked TI-PLANET forum, and if that fits you:

https://tiplanet.org/forum/archives_voir.php?id=911

Thank you for your help, foroplus.

From the link, I can find a good Laplace transform app by Lars. It works perfect!