Android app to decode punch cards (IBM type, 12 rows, 80 rows) by taking a photo of the punch card. Best results if the back of the card on a black surface is photographed.
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Sep 25, 2022 - Python
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punchcards
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Macaulay2 code to compute ideal generators and combinatorial summaries for matrix affine Schubert varieties
schubert-calculus grobner-bases matrix-schubert-varieties poincare-duality multidegrees rc-graphs punchcards
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Sep 23, 2021 - Macaulay2
Digitize physical knitting punchcards from photos into clean 1-bit binary PNGs.
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Jun 28, 2026 - JavaScript
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