This article describes the formula syntax and usage of the EFFECT function in Microsoft Excel. Returns the effective annual interest rate, given the nominal annual interest rate and the number of compounding periods per year. EFFECT (nominal_rate, npery) The EFFECT function syntax has the following arguments: Nominal_rate Required. More @Wikipedia
Hover over any link to get a description of the article. Please note that search keywords are sometimes hidden within the full article and don't appear in the description or title.