---
title: "Meditations on a Hypotrochoid"
type: "article"
slug: "meditations-on-a-hypotrochoid"
url: "http://localhost/article/meditations-on-a-hypotrochoid/"
markdown_url: "http://localhost/article/meditations-on-a-hypotrochoid.md"
published_at: "2020-10-27T17:19:18+00:00"
modified_at: "2024-06-23T01:04:26+00:00"
featured_image:
  url: "http://localhost/wp-content/uploads/2022/04/20230809-041332.jpg"
excerpt: "The plotting capacity of the ZX80(81) enables even the least artistically talented to create some pretty dazzling displays. The much denigrated sine and cosine functions conceal mathematical mysteries that are invisible to mere number crunchers."
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: "ZX80"
    slug: "zx80"
    taxonomy: "post_tag"
    url: "http://localhost/tag/zx80/"
  - name: "ZX81"
    slug: "zx81"
    taxonomy: "post_tag"
    url: "http://localhost/tag/zx81/"
model:
  - name: "Sinclair ZX80"
    slug: "zx80"
    taxonomy: "model"
    url: "http://localhost/model/zx80/"
  - name: "Sinclair ZX81"
    slug: "zx81"
    taxonomy: "model"
    url: "http://localhost/model/zx81/"
indiv:
  - name: "Bradley Rogers"
    slug: "bradley-rogers"
    taxonomy: "indiv"
    url: "http://localhost/indiv/bradley-rogers/"
publication: "Sync"
publication_r:
  id: 10243
  title: "SYNC"
  type: "periodical"
  url: "http://localhost/periodical/sync-magazine/"
authors: "Bradley Rogers"
volume: "2"
issue: "6"
issues_articles:
  - id: 26646
    title: "SYNC v2 n6"
    type: "issue"
    url: "http://localhost/issue/sync-v2-n6/"
pages: "39"
pubdate: "November/December 1982"
archive_link: false
volumeissue: "v2n6"
---

# Meditations on a Hypotrochoid

The plotting capacity of the ZX80(81) enables even the least artistically talented to create some pretty dazzling displays. The much denigrated sine and cosine functions conceal mathematical mysteries that are invisible to mere number crunchers.