Excel中的SUM函数可以快速求出多数相加之和，不过有时我们不只是将各项数据简单相加，而是要对每个数据进行判断，符合条件后再进行相加处理，虽然SUM可以在IF函数的配合下完成此项任务，毕竟有些复杂。因此，Excel还提供了SUMIF函数，让这类有条件的计算 ...

Sum only negative values in a given range using SUMIF() Your email has been sent Summing only the positive or negative values in the same range of values only sounds difficult. Fortunately, the SUMIF( ...

There are two ways to calculate a conditional average in Excel, both involve some logic and some special functions. Excel’s SUMIF() and COUNTIF() are two of my favorite summarizing functions and we’ve ...

There are a few tricks to help track business expenses using Google Sheets and Excel. This tutorial demonstrates setting up and using a Google Form for seamless expense entry on-the-go, and ...