---
title: "SUM: The Sinclair/Timex Users Magazine"
id: 11354
type: "company"
slug: "sum-magazine"
url: "http://localhost/company/sum-magazine/"
markdown_url: "http://localhost/company/sum-magazine.md"
published_at: "2019-06-19T14:25:00+00:00"
modified_at: "2023-01-15T01:49:35+00:00"
author: "David Anderson"
featured_image:
  url: "http://localhost/wp-content/uploads/2022/04/20230809-041332.jpg"
excerpt: "Joseph Williamson and Richard Cravy published SUM. It started as the newsletter of the Gainesville Sinclair/Timex Users Group and became a significant magazine in its own right. SUM eventually merged with Time Designs Magazine."
category:
  - name: "Company"
    slug: "company"
    taxonomy: "category"
    url: "http://localhost/category/company/"
  - name: "Florida"
    slug: "fl"
    taxonomy: "category"
    url: "http://localhost/category/location/united-states/fl/"
post_tag:
  - name: "SUM Magazine"
    slug: "sum-magazine"
    taxonomy: "post_tag"
    url: "http://localhost/tag/sum-magazine/"
indiv:
  - name: "Joseph Williamson"
    slug: "joseph-williamson"
    taxonomy: "indiv"
    url: "http://localhost/indiv/joseph-williamson/"
  - name: "Richard Cravy"
    slug: "richard-cravy"
    taxonomy: "indiv"
    url: "http://localhost/indiv/richard-cravy/"
address: "3224 Northwest 30th Ave, Gainesville, FL 32605"
advertisers:
  - id: 26856
    title: "T-S Horizons n12"
    type: "issue"
    url: "http://localhost/issue/t-s-horizons-n12/"
  - id: 26857
    title: "T-S Horizons n14"
    type: "issue"
    url: "http://localhost/issue/t-s-horizons-n14/"
  - id: 26858
    title: "T-S Horizons n15"
    type: "issue"
    url: "http://localhost/issue/t-s-horizons-n15/"
  - id: 26859
    title: "T-S Horizons n16"
    type: "issue"
    url: "http://localhost/issue/t-s-horizons-n16/"
  - id: 26860
    title: "T-S Horizons n17"
    type: "issue"
    url: "http://localhost/issue/t-s-horizons-n17/"
  - id: 26861
    title: "T-S Horizons n18"
    type: "issue"
    url: "http://localhost/issue/t-s-horizons-n18/"
  - id: 26862
    title: "T-S Horizons n19"
    type: "issue"
    url: "http://localhost/issue/t-s-horizons-n19/"
  - id: 36079
    title: "Time Designs Magazine v1 n3"
    type: "issue"
    url: "http://localhost/issue/time-designs-magazine-v1-n3/"
  - id: 37623
    title: "Time Designs Magazine v1 n6"
    type: "issue"
    url: "http://localhost/issue/time-designs-magazine-v1-n6/"
  - id: 50950
    title: "T-S Horizons n13"
    type: "issue"
    url: "http://localhost/issue/t-s-horizons-n13/"
publisher_publications:
  - id: 10242
    title: "SUM"
    type: "periodical"
    url: "http://localhost/periodical/sum/"
  - id: 20973
    title: "The Best of SUM: The Sinclair/Timex Users Magazine"
    type: "book"
    url: "http://localhost/book/the-best-of-sum-the-sinclair-timex-users-magazine/"
child_pages: false
---

# SUM: The Sinclair/Timex Users Magazine

[Joseph Williamson](http://localhost/indiv/joseph-williamson/) and [Richard Cravy](http://localhost/indiv/richard-cravy/) published [SUM](http://localhost/periodical/sum/). It started as the newsletter of the [Gainesville Sinclair/Timex Users Group](http://localhost/usergroup/gainesville-sinclair-group/) and became a significant magazine in its own right. SUM eventually merged with [Time Designs Magazine](http://localhost/periodical/time-designs-magazine/).