---
title: "Numbers Held Inexactly on the ZX81, Part 4"
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published_at: "2020-10-27T17:12:40+00:00"
modified_at: "2024-06-23T01:08:34+00:00"
featured_image:
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excerpt: "The ZX81 doesn't hold simple decimals like .5 & .25 exactly."
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model:
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publication: "Syntax"
publication_r:
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  title: "Syntax"
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  url: "http://localhost/periodical/syntax/"
authors: "Frank O'Hara"
volume: "3"
issue: "6"
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    title: "Syntax/Syntax ZX80 v3 n6"
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pages: "19-20"
pubdate: "June 1982"
archive_link: false
volumeissue: "v3n6"
---

# Numbers Held Inexactly on the ZX81, Part 4

The ZX81 doesn’t hold simple decimals like .5 & .25 exactly.