Posts 2024-07-21 Power law extrapolation 2024-06-24 Certifying that M_127 is prime 2024-06-21 The sorry state of terminal support for Indic scripts (on macOS) 2024-06-03 Knuth's program PERFECT-PARTITION-SQUARE 2024-02-23 Checking in with P. G. Wodehouse 2024-02-11 Notes on a translation choice 2024-01-31 A first-class recitation of the Rāmāyaṇa 2023-12-23 Understanding xii.tex 2023-12-17 Using pkfix to fix (some) old TeX-generated PDF (PS) files 2023-12-16 Mathematical trolling: the Willans prime formula 2023-10-03 Improving on Percy Ludgate's "Irish logarithm" 2023-10-02 Reverse-engineering the "Irish logarithm" 2023-01-16 Derangements, Dobiński's formula, and their combination 2023-01-16 Methods for factoring numbers, in the Gaṇita-kaumudī of Nārāyaṇa Paṇḍita 2022-05-24 The harmonic series, the "prime harmonic series", and their difference 2021-02-20 Huffman versus top-down coding 2020-09-12 Manually adding an OCR layer to scanned PDF 2020-08-14 Solving the set cover problem: an example 2020-06-14 A sequence of integer fractions 2020-01-26 Producing a "program trace" using GDB and Python 2020-01-15 Knuth's programming and problem-solving seminars 2019-12-27 Jon Bentley's "Programming Pearls" columns, and Van Wyk's "Literate Programming" columns in the CACM 2019-12-07 The Letter-Box (La boîte aux lettres) by René Bazin 2019-10-20 Another blurry image puzzle 2019-10-04 Breaking pills 2019-09-30 History of Indian mathematics: IIT Gandhinagar (2017) 2019-09-30 The poem in the notepaper used for “Here Comes The Sun” 2010-06-04 Don't mess with a genius