---
title: "Tips & Tricks of the User Group Masters for the Sinclair ZX-81 v0335"
id: 50345
type: "document"
slug: "tips-tricks-of-the-user-group-masters-for-the-sinclair-zx-81-v0335"
url: "http://localhost/document/tips-tricks-of-the-user-group-masters-for-the-sinclair-zx-81-v0335/"
markdown_url: "http://localhost/document/tips-tricks-of-the-user-group-masters-for-the-sinclair-zx-81-v0335.md"
published_at: "2023-06-04T01:57:57+00:00"
modified_at: "2026-03-15T19:46:35+00:00"
author: "David Anderson"
featured_image:
  url: "http://localhost/wp-content/uploads/2022/04/20230809-041332.jpg"
excerpt: "An earlier version (v0.335) of Bill Harmer's tips and tricks guide for the Sinclair ZX-81, compiling useful techniques from user group newsletters."
category:
  - name: "Documentation"
    slug: "documentation"
    taxonomy: "category"
    url: "http://localhost/category/documentation/"
post_tag:
  - name: "TS 1000"
    slug: "ts1000"
    taxonomy: "post_tag"
    url: "http://localhost/tag/ts1000/"
model:
  - name: "Timex/Sinclair 1000"
    slug: "ts-1000"
    taxonomy: "model"
    url: "http://localhost/model/ts-1000/"
indiv:
  - name: "Bill Harmer"
    slug: "bill-harmer"
    taxonomy: "indiv"
    url: "http://localhost/indiv/bill-harmer/"
doc_author: "Bill Harmer"
document_url: "https://archive.org/details/bill-harmer/Tips%20%26%20Tricks%20of%20the%20User%20Group%20Masters%20for%20the%20Sinclair%20ZX-81%20v0335/"
pages: 7
document_date: "1996"
---

# Tips & Tricks of the User Group Masters for the Sinclair ZX-81 v0335

An earlier version (v0.335) of Bill Harmer’s tips and tricks guide for the Sinclair ZX-81, compiling useful techniques from user group newsletters.