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Meaning of Ludolphian number | Babel Free

Noun CEFR B2

Definitions

Synonym of pi, particularly the 35-decimal approximation discovered by Ludolph van Ceulen

historical, uncountable

Examples

“Pi... came to be called the Ludolphian number, after Ludolph van Ceulen, a German mathematician who approximated it to thirty-five decimal places... a calculation that took Ludolph most of his life to accomplish, and gave him such satisfaction that he had the digits engraved on his tombstone... the stone vanished, possibly to be turned into a sidewalk slab. Somewhere in Leiden, people may be walking over Ludolph's digits.”

CEFR level

B2
Upper Intermediate
This word is part of the CEFR B2 vocabulary — upper intermediate level.

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