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John_Oakey's avatar
John_Oakey
Copper Contributor
Feb 12, 2022

nper function

nper function in financial formulas is returning incorrect values  - tested against many online calculator plus grandaddy of formulas (James C. VanHorn, Financial Management and Policy). Thanks. John

2 Replies

    • John_Oakey's avatar
      John_Oakey
      Copper Contributor
      Hi Eric, after a lot of cross discussion it turns out that the problem is not Excel's formula but its documentation, which is either missing or incorrect. Unless you consider Excel's implicit-by-example instructions as correct, then the formulas for nper in Pv and Fv are reversed.
      Thanks.
      John Oakey

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