--- title: "Numerical Analysis" type: "article" slug: "numerical-analysis" url: "http://localhost/article/numerical-analysis/" markdown_url: "http://localhost/article/numerical-analysis.md" published_at: "2026-01-19T13:57:15+00:00" modified_at: "2026-01-19T13:57:24+00:00" featured_image: url: "http://localhost/wp-content/uploads/2022/04/20230809-041332.jpg" excerpt: "Ken Lewis has written a book for people in the engineering and science fields. Ken has sent us two articles which were taken from SUM (Small User's Math) - A Compendium of Numerical Problems for BASIC for the Small System User." category: - name: "Triangle Sinclair Users Group Newsletter" slug: "triangle-sinclair-users-group-newsletter" taxonomy: "category" url: "http://localhost/category/periodicals/triangle-sinclair-users-group-newsletter/" post_tag: - name: "Ken D. Lewis (company)" slug: "ken-lewis" taxonomy: "post_tag" url: "http://localhost/tag/ken-lewis/" - name: "TS 1000" slug: "ts1000" taxonomy: "post_tag" url: "http://localhost/tag/ts1000/" - name: "Type-in program" slug: "type-in-program" taxonomy: "post_tag" url: "http://localhost/tag/type-in-program/" model: - name: "Timex/Sinclair 1000" slug: "ts-1000" taxonomy: "model" url: "http://localhost/model/ts-1000/" indiv: - name: "Ken Lewis" slug: "ken-lewis" taxonomy: "indiv" url: "http://localhost/indiv/ken-lewis/" publication_r: id: 21575 title: "Triangle Sinclair Users Group" type: "periodical" url: "http://localhost/periodical/triangle-sinclair-users-group/" authors_r: - name: "Ken Lewis" slug: "ken-lewis" taxonomy: "indiv" url: "http://localhost/indiv/ken-lewis/" volume: "2" issue: "11-12" issues_articles: - id: 53326 title: "Triangle Sinclair Users Group v2 n11-12" type: "issue" url: "http://localhost/issue/triangle-sinclair-users-group-v2-n11-12/" pages: "1-2" pubdate: "Nov/Dec 1984" archive_link: false --- # Numerical Analysis [Ken Lewis](http://localhost/company/ken-lewis/) has written a book for people in the engineering and science fields. Ken has sent us two articles which were taken from SUM (Small User’s Math) – A Compendium of Numerical Problems for BASIC for the Small System User.