Hi everyone, I've downloaded all of the things recommended and I still get the kernel needed message. I have preos listed in the list on my calc accessed by the 2nd-var-link button. I don't know what I've done wrong, but obviously something. Please help, RKapps

Hello RKapps,
can you provide more information? Installed PreOS version, your calculator type and AMS version?

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Sorry I'm not the most technically inclined. The preos version is 1.0.4 and my calculator is the ti 89 titanium and I don't know what AMS is.