College Board issues aside, I have fond memories of TI-BASIC, writing in it a 3D graphing engine and a stock market analyzer. With enough patience, I could make anything ... but friends. (Although with my chatterbot experiments, I certainly tried.)

"1996", by Randall Munroe, licensed under Creative Commons Attribution-NonCommercial 2.5 License

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College Board issues aside, I have fond memories of TI-BASIC, writing in it a 3D graphing engine and a stock market analyzer. With enough patience, I could make anything ... but friends. (Although with my chatterbot experiments, I certainly tried.)