CACrown ArchivesThe cinema collection
Menu
Research dossier · General Reference

Napierian logarithm

Mathematical function

Cross-disciplinary reference desk with index cards, atlas, dictionary and catalogue
General referenceInterpretive dossier study · Crown Archives visual atlas
Record originEnglish Wikipedia
Text licenseCC BY-SA 4.0
Source revisionSep 14, 2026
Entity authoritySource title only
Source-derived summary

The term Napierian logarithm or Naperian logarithm, named after the Scottish mathematician John Napier (1550–1617), is often used to mean the natural logarithm. Napier did not introduce this natural logarithmic function, although it is named after him.

However, if it is taken to mean the "logarithms" as originally produced by Napier, it is a function given by :

Editorial summary

“Napierian logarithm” enters the record as mathematical function. Crown Archives preserves that source wording while asking what Napierian, logarithm and Mathematical can confirm, complicate or overturn.

Editorial reviewA concise reference frame for defining the subject, testing terminology and identifying the institution closest to the evidence. The current lead gives the account dated anchors—1550, 1617—that can be checked directly. The selected authority fields contribute no independent date. Its strongest next move is a source search built around Napierian, logarithm and Mathematical.
Editorial analysis

Why this record matters

“Napierian logarithm” is worth following because a concise public description often conceals a longer documentary argument. Here, Napierian, logarithm and Mathematical provides the most credible route into that argument.

Evidence profile

Named sources, stable identifiers and responsible institutions provide the strongest route from overview to verifiable evidence. The source revision retrieved here is dated Sep 14, 2026. The first chronological checks are 1550 and 1617.

Critical limits

The absence of detail may reflect summary conventions rather than a lack of surviving documentation. The source lead contains qualifying language; that uncertainty should survive quotation, summary and reuse. Authority statements aid reconciliation but still require their own references, qualifiers and ranks to be checked.

How to read it

Use the entry as an orientation point, then follow its citations and revision history. Names, dates and institutional relationships should be checked against the original record.

Best used for
  • Subject orientation
  • Search vocabulary
  • Locating named sources
Verify next

The closest primary source, responsible institution and strongest cited specialist reference.

Three-step research path

  1. Establish the record: confirm the title “Napierian logarithm”, its source revision and the description used here.
  2. Expand the search: follow Napierian logarithm primary sources, Napierian logarithm archive and Napierian research across catalogues and specialist indexes.
  3. Test the account: compare the strongest cited source with the responsible institution’s current record and note any disagreement.

Questions for further research

  1. Which source most directly establishes the central claim about “Napierian logarithm”?
  2. Which cited source is closest to the event, object or claim?
  3. Which institution is responsible for the underlying evidence?
Subject index

Search terms from this dossier

Source & attribution

This entry incorporates text from “Napierian logarithm” on English Wikipedia. Contributors are listed in the page history. Text is available under the Creative Commons Attribution-ShareAlike 4.0 License. Selected authority identifiers and statements are retrieved from Wikidata under CC0; their references and qualifiers remain part of the verification path.