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Reference Page Span Length

Count an explicitly contiguous inclusive Arabic-numbered reference page span.

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Description

Count supplied inclusive reference pages.

Bibliographic records distinguish editions, publication states, author identifiers, dates and fractional-credit conventions. A DOI-shaped string may not resolve, and an ORCID-shaped string can fail its checksum. Supplied status and source labels organize evidence without establishing authorship, publication validity or a complete impact measure.

Count supplied inclusive reference pages.

When to use this tool

Use Reference Page Span Length when you already have firstPage, lastPage and need to count supplied inclusive reference pages.

How to use the tool and how it works

  1. Enter firstPage, lastPage. Use the units and conventions below.
  2. Run the tool. Correct any format, range, or cross-field input error before interpreting the output.
  3. Read inclusivePageCount. Use the output convention below.

Require positive safe firstPage and safe lastPage>=firstPage; return last-first+1.1

Input fieldMeaning and unitsAccepted input
firstPageFirst PageRequired. Safe integer; minimum 1.
lastPageLast PageRequired. Safe integer.
Output fieldInterpretationReturned shape
inclusivePageCountlastPage-firstPage+1; the same first/last page counts one.Required. Safe integer.
json
{
  "input": {
    "firstPage": 17,
    "lastPage": 24
  },
  "output": {
    "inclusivePageCount": 8
  }
}

Limitations and assumptions

  • A single page counts one. This accepts numeric page spans only and does not parse Roman numerals, article numbers, discontinuous pages or resolve a publication.
  • Inputs must satisfy both the field types and the cross-field conditions above. Invalid input causes an error; a successful false flag or documented placeholder is a different result.
  • Numeric calculations use binary floating point unless exact decimal-integer arithmetic is explicitly stated. No hidden measurement tolerance or decimal rounding is added; nonfinite or out-of-contract results are rejected. Numeric signed-zero results are exported as zero.

Alternative or Complementary methods

Check original publications, authoritative identifier records and current publisher notices. Define counting scope, credit allocation and date meaning before combining local labels or author overlaps into a bibliometric analysis.

References

  1. Calculation and input contract: bibliometrics/reference-page-span-length — tool.io

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