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I paid $450 for my 48GX when I started university in 94. It has been with me ever since and I love it! My students never want to borrow it because they cant figure out the RPN. This is, by far, is the best calculator ever made and its now free on my phone. Now I can put my $450, dented, beat up, and conspicuously geeky 48GX to rest. To the developer...You could buy cartridges back in the day with added functions/formula/data. How about putting out the chemistry cartridge?

Chem Guy about i48