---
title: "Program: Biorythm"
type: "article"
slug: "program-biorythm"
url: "http://localhost/article/program-biorythm/"
markdown_url: "http://localhost/article/program-biorythm.md"
published_at: "2026-07-28T08:15:15+00:00"
modified_at: "2026-07-28T08:18:14+00:00"
featured_image:
  url: "http://localhost/wp-content/uploads/2022/04/20230809-041332.jpg"
excerpt: "Here is a short program that was written on the TS1000 with no memory added. It can also be used on the TS2068. It has some interesting features."
category:
  - name: "Quarters"
    slug: "quarters"
    taxonomy: "category"
    url: "http://localhost/category/periodicals/quarters/"
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/"
model:
  - name: "Timex/Sinclair 1000"
    slug: "ts-1000"
    taxonomy: "model"
    url: "http://localhost/model/ts-1000/"
indiv:
  - name: "Chuck Dawson"
    slug: "chuck-dawson"
    taxonomy: "indiv"
    url: "http://localhost/indiv/chuck-dawson/"
publication: "QuarTerS"
publication_r:
  id: 21505
  title: "QuarTerS"
  type: "periodical"
  url: "http://localhost/periodical/quarters/"
authors_r:
  - name: "Chuck Dawson"
    slug: "chuck-dawson"
    taxonomy: "indiv"
    url: "http://localhost/indiv/chuck-dawson/"
issues_articles:
  - id: 37930
    title: "Quarters Fall 1985"
    type: "issue"
    url: "http://localhost/issue/quarters-fall-1985/"
pages: "6"
pubdate: "Fall 1985"
archive_link: false
volumeissue: "v2n3"
---

Here is a short program that was written on the TS1000 with no memory added. It can also be used on the TS2068. It has some interesting features.