If you are not too busy, perhaps you could develop a new calculator for professional engineers, one that is not limited based on the demands of the College Board and the SAT.
Perhaps you find someone at TI that could develop a calculator with a modern display, or even one that could compete with MATLAB.
TI please understand that some of us use our calculators to do work instead of just take tests. Hassling hobbyists, who are actually innovating, just reminds us how little effort you have put into improving your calculator products for engineers.
How about wireless support, an SD card slot, data logging or if you don't have any hardware people around maybe you could provide some updates to ME*Pro and EE*Pro. You don't even have to do the programming, you can just upload the code somewhere with an open source license and we will take care of it.
If you are not interested in improving on the TI-89 Titanium, let us know so we can get started with an OSHW calculator design.
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