--- title: "Random Walks" type: "article" slug: "random-walks" url: "http://localhost/article/random-walks/" markdown_url: "http://localhost/article/random-walks.md" published_at: "2020-10-27T17:19:07+00:00" modified_at: "2024-06-23T01:04:34+00:00" featured_image: url: "http://localhost/wp-content/uploads/2022/04/20230809-041332.jpg" excerpt: "A program \"Random Walks\" for the ZX81 duplicates the Hexstat. It is an eye-catching, pretty display and very effective as an instructional device. Over a period of 15 minutes or so a series of \"balls\" falls down through a cascade or sieve to form 9 columns whose heights are proportional to the respective probabilities of…" category: - name: "SYNC" slug: "sync" taxonomy: "category" url: "http://localhost/category/periodicals/sync/" post_tag: - name: "1982" slug: "year-1982" taxonomy: "post_tag" url: "http://localhost/tag/year-1982/" - name: "Type-in program" slug: "type-in-program" taxonomy: "post_tag" url: "http://localhost/tag/type-in-program/" - name: "ZX81" slug: "zx81" taxonomy: "post_tag" url: "http://localhost/tag/zx81/" model: - name: "Sinclair ZX81" slug: "zx81" taxonomy: "model" url: "http://localhost/model/zx81/" indiv: - name: "Eric Chandler" slug: "eric-chandler" taxonomy: "indiv" url: "http://localhost/indiv/eric-chandler/" publication: "Sync" publication_r: id: 10243 title: "SYNC" type: "periodical" url: "http://localhost/periodical/sync-magazine/" authors: "Eric Chandler" volume: "2" issue: "6" issues_articles: - id: 26646 title: "SYNC v2 n6" type: "issue" url: "http://localhost/issue/sync-v2-n6/" pages: "100-101" pubdate: "November/December 1982" archive_link: false volumeissue: "v2n6" --- A program “Random Walks” for the ZX81 duplicates the Hexstat. It is an eye-catching, pretty display and very effective as an instructional device. Over a period of 15 minutes or so a series of “balls” falls down through a cascade or sieve to form 9 columns whose heights are proportional to the respective probabilities of the outcomes.