---
title: "Recreational Mathematics on the ZX-80"
type: "article"
slug: "recreational-mathematics-on-the-zx-80"
url: "http://localhost/article/recreational-mathematics-on-the-zx-80/"
markdown_url: "http://localhost/article/recreational-mathematics-on-the-zx-80.md"
published_at: "2022-10-07T12:24:10+00:00"
modified_at: "2024-05-26T14:18:02+00:00"
featured_image:
  url: "http://localhost/wp-content/uploads/2022/04/20230809-041332.jpg"
category:
  - name: "ISTUG Newsletter"
    slug: "istug-newsletter"
    taxonomy: "category"
    url: "http://localhost/category/periodicals/istug-newsletter/"
post_tag:
  - 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/"
  - name: "ZX80"
    slug: "zx80"
    taxonomy: "post_tag"
    url: "http://localhost/tag/zx80/"
model:
  - name: "Sinclair ZX80"
    slug: "zx80"
    taxonomy: "model"
    url: "http://localhost/model/zx80/"
  - name: "Timex/Sinclair 1000"
    slug: "ts-1000"
    taxonomy: "model"
    url: "http://localhost/model/ts-1000/"
indiv:
  - name: "Steven Petrovic"
    slug: "steven-petrovic"
    taxonomy: "indiv"
    url: "http://localhost/indiv/steven-petrovic/"
publication_r:
  id: 39269
  title: "ISTUG Newsletter"
  type: "periodical"
  url: "http://localhost/periodical/istug-newsletter/"
authors: "Steven Petrovic"
issues_articles:
  - id: 39794
    title: "ISTUG Newsletter Feb 1989"
    type: "issue"
    url: "http://localhost/issue/istug-newsletter-feb-1989/"
pages: "7"
pubdate: "February 1989"
archive_link: false
---

# Recreational Mathematics on the ZX-80