---
title: "Rounding Off with Conditional Tests"
type: "article"
slug: "rounding-off-with-conditional-tests"
url: "http://localhost/article/rounding-off-with-conditional-tests/"
markdown_url: "http://localhost/article/rounding-off-with-conditional-tests.md"
published_at: "2020-10-27T17:19:20+00:00"
modified_at: "2024-06-23T01:04:21+00:00"
featured_image:
  url: "http://localhost/wp-content/uploads/2022/04/20230809-041332.jpg"
excerpt: "We have all learned in plane geometry classes the Pythagorean theorem: a squared plus b squared equals c squared. Thus, if we know two sides of a right triangle, we can easily calculate the third. Or can we?"
category:
  - name: "SYNC"
    slug: "sync"
    taxonomy: "category"
    url: "http://localhost/category/periodicals/sync/"
post_tag:
  - name: "1982"
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    url: "http://localhost/tag/year-1982/"
  - name: "Type-in program"
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    url: "http://localhost/tag/type-in-program/"
  - name: "ZX81"
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    url: "http://localhost/tag/zx81/"
model:
  - name: "Sinclair ZX81"
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    taxonomy: "model"
    url: "http://localhost/model/zx81/"
indiv:
  - name: "James Stauffer"
    slug: "james-stauffer"
    taxonomy: "indiv"
    url: "http://localhost/indiv/james-stauffer/"
publication: "Sync"
publication_r:
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  title: "SYNC"
  type: "periodical"
  url: "http://localhost/periodical/sync-magazine/"
authors: "James Stauffer"
volume: "2"
issue: "5"
issues_articles:
  - id: 26645
    title: "SYNC v2 n5"
    type: "issue"
    url: "http://localhost/issue/sync-v2-n5/"
pages: "69"
pubdate: "September/October 1982"
archive_link: false
volumeissue: "v2n5"
---

# Rounding Off with Conditional Tests

We have all learned in plane geometry classes the Pythagorean theorem: a squared plus b squared equals c squared. Thus, if we know two sides of a right triangle, we can easily calculate the third. Or can we?