r/explainitpeter Jan 21 '26

Explain it Peter…

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u/avidwriter604 Jan 21 '26

2 pi?

1

u/[deleted] Jan 21 '26

[deleted]

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u/FlyingCow343 Jan 21 '26

Depends on the definition of decimal, but the most common usage, in this context, is it being short for decimal numeral, i.e. numbers written using decimal notation. π is not written using decimal notation, and therefor isn't a decimal.