How to create a year-by-year summation calculator

How to create a year-by-year summation calculator

Although the AVERAGEIF and AVERAGEIFS function can sum values by a given condition, they won’t work if you want to use the output in other functions. In this article, we’re going to show you how to create a year-by-year summation calculator with help of...
Count unique values Excel

Count unique values Excel

This article shows how to count unique values Excel formulas SUMPRODUCT and COUNTIF. The SUMPRODUCT function can handle arrays without actually using array formulas, and this allows evaluating the formulas in each cell of an array. Syntax =SUMPRODUCT( 1 / COUNTIF(...