---
title: "SUM v4 n7"
id: 39354
type: "issue"
slug: "sum-v4-n7"
url: "http://localhost/issue/sum-v4-n7/"
markdown_url: "http://localhost/issue/sum-v4-n7.md"
published_at: "2022-07-10T22:52:57+00:00"
modified_at: "2026-08-02T00:03:55+00:00"
author: "David Anderson"
featured_image:
  url: "http://localhost/wp-content/uploads/2022/07/20231230-204001.webp"
category:
  - name: "Periodicals"
    slug: "periodicals"
    taxonomy: "category"
    url: "http://localhost/category/periodicals/"
  - name: "SUM"
    slug: "sum"
    taxonomy: "category"
    url: "http://localhost/category/periodicals/sum/"
periodical_issues:
  - id: 10242
    title: "SUM"
    type: "periodical"
    url: "http://localhost/periodical/sum/"
volume: "4"
number: "7"
issue_date: "July 1986"
issues_articles:
  - id: 44216
    title: "EPROM Programmer You Can Build, Part II"
    type: "article"
    url: "http://localhost/article/eprom-programmer-you-can-build-part-ii/"
  - id: 44217
    title: "Better RGB Circuit"
    type: "article"
    url: "http://localhost/article/better-rgb-circuit-3/"
  - id: 44218
    title: "Inventory Program for 2068"
    type: "article"
    url: "http://localhost/article/inventory-program-for-2068/"
  - id: 46888
    title: "Letter from the Editors"
    type: "article"
    url: "http://localhost/article/letter-from-the-editors/"
  - id: 46889
    title: "Machine Code Tutor"
    type: "article"
    url: "http://localhost/article/machine-code-tutor-2/"
  - id: 46890
    title: "Sounder: Using SOUND on the 2068"
    type: "article"
    url: "http://localhost/article/sounder-using-sound-on-the-2068/"
  - id: 46891
    title: "Vendor Reports"
    type: "article"
    url: "http://localhost/article/vendor-reports-6/"
archiveurl: "https://archive.org/details/SinclairTimexUsersMagazine/SUM v4 n7"
---

# SUM v4 n7