---
title: "The ZX80 Makes the Grade"
type: "article"
slug: "the-zx80-makes-the-grade"
url: "http://localhost/article/the-zx80-makes-the-grade/"
markdown_url: "http://localhost/article/the-zx80-makes-the-grade.md"
published_at: "2020-10-27T17:18:40+00:00"
modified_at: "2024-06-23T00:43:37+00:00"
featured_image:
  url: "http://localhost/wp-content/uploads/2022/04/20230809-041332.jpg"
excerpt: "In this article we present two programs running on the 1K Basic machine. The first determines the test scores and keeps track of which question caused the class the greatest difficulty. The second finds the class distribution of grades, enabling the teacher to scale the grades."
category:
  - name: "SYNC"
    slug: "sync"
    taxonomy: "category"
    url: "http://localhost/category/periodicals/sync/"
post_tag:
  - name: "1981"
    slug: "year-1981"
    taxonomy: "post_tag"
    url: "http://localhost/tag/year-1981/"
  - 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/"
indiv:
  - name: "Lawrence Auer"
    slug: "auer-lawrence"
    taxonomy: "indiv"
    url: "http://localhost/indiv/auer-lawrence/"
publication: "Sync"
publication_r:
  id: 10243
  title: "SYNC"
  type: "periodical"
  url: "http://localhost/periodical/sync-magazine/"
authors: "Lawrence Auer"
volume: "1"
issue: "4"
issues_articles:
  - id: 26638
    title: "SYNC v1 n4"
    type: "issue"
    url: "http://localhost/issue/sync-v1-n4/"
pages: "31-33"
pubdate: "July/August 1981"
archive_link: false
volumeissue: "v1n4"
---

# The ZX80 Makes the Grade

In this article we present two programs running on the 1K Basic machine. The first determines the test scores and keeps track of which question caused the class the greatest difficulty. The second finds the class distribution of grades, enabling the teacher to scale the grades.