How to Perform Multiple Table Searches Using the SEARCH & SUMPRODUCT Functions in Excel
SUMPRODUCT is one of Excel's most-powerful worksheet functions. Here, for example, you can use it in one formula to search text in one cell...
How to Work with Dates Before 1900 in Excel
(Download the workbook.)
If you work with dates prior to the year 1900, Excel's standard date-handling system will be no help. However, there are several...
How to Use INDEX-MATCH, Part 1: The INDEX Function
Which is best, VLOOKUP or INDEX-MATCH?
You might be surprised at the question, because the answer never has been in doubt. INDEX-MATCH can do anything...
How to Stack and Shelve Dynamic Arrays
While using Excel 365 recently, I needed to create one dynamic array that would consist of two arrays, with one stacked on top of...
Three Ways to Reduce Errors in Your Excel SUM Formulas
If you aren't careful, simple edits to your reports and analyses can cause significant errors.
Years ago, for example, I heard about an expensive error...
XLOOKUP vs VLOOKUP vs INDEX-MATCH vs SUMIFS
SUMIFS? Really?
Why is SUMIFS included among those lookup methods? I'll explain in a few minutes.
But first, let's look at the lookup methods shown in...
Use a ‘Visible’ Column in Formulas to Ignore Hidden Rows in Filtered Tables
Excel Tables, introduced in Version 2007, give us the ability to use column filters to hide rows in a Table.
And slicers for Tables, introduced...
A Volatile Workbook to Test Calculation Times for Excel Lookup Methods
In Use Excel VBA to Test Report Calculation Times I described a macro that finds the total time necessary to calculate Excel for a specified number...
How to Foot and Cross-Foot Excel Reports in a Floating-Point World
At first glance, the following report is an ordinary one. It merely sums an Excel Table by Product and Region, and then foots and...
What’s a ‘Deprecated’ Function in Excel?
Wikipedia tells us that deprecation is a status applied to a computer software feature, characteristic, or practice indicating it should be avoided, typically because of being superseded.
Each new generation of...