Show HN: MacMind – A transformer neural network in HyperCard on a 1989 Macintosh

Re:Show HN: MacMind – A transformer neural network in HyperC... by DetroitThrow on Thursday April 16, 2026 @10:59AM (#47794116)

This is very cool. Any more demos of inference output?

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Re:Show HN: MacMind – A transformer neural network in HyperC... by hammer32 on Thursday April 16, 2026 @12:40PM (#47796007)

Thanks! The quickest way to try it is the HyperCard Simulator link someone just posted in this thread: https://hcsimulator.com/imports/MacMind---Trained-69E0132C — go to the Inference card, click New Random to fill in 8 digits, then click Permute. The model predicts the bit-reversed permutation of all 8 positions. The pre-trained stack gets all inputs correct.

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