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This example uses the UNIQUE function together with the FILTER function. You can see a more basic example here.

The trick in this case is to apply criteria to the FILTER function to only allow values based on the count of occurrence....Read more

In this problem, the goal is to find the first (earliest) time in and the last (latest) time out for a given name. This is essentially a lookup problem and the solution shown in the worksheet is an example of how you can sometimes use minimum and maximum functions to perform lookups. This works...Read more

In this example, the goal is to extract common values from two text strings that contain comma-delimited values. In the worksheet shown the values for "List1" appear in column B and the values for "List2" appear in column C. The results in column D show the intersection of the two lists, that is...Read more

In this example, the goal is to sum the numbers in column E when the item in column B appears in the range G5:G7. The named range things is not required. It is used only for convenience and can be expanded as needed to include additional criteria. The article below explains...Read more

In this example, the goal is to retrieve employee information from a table using only a partial match on the last name. In other words, by typing "Aya" into cell H4, the formula should retrieve information about Michael Ayala.

The VLOOKUP function...Read more

In this example, the goal is to average the last 3 numeric values in a set of data. The best solution depends on the version of Excel you have available. In the current version of Excel, this can be nicely solved with a formula based on the AVERAGE...Read more

In this example, the goal is to look up and retrieve an entire row of values in a set of data. For example, when a value like "Neptune" is entered into cell H5, all values in the range C11:F11 should be returned. For convenience and readability, project (B5:B16) and data...Read more

The goal is to list the working days between a start date and an end date. In the simplest form, this means we want to list dates that are Monday, Tuesday, Wednesday, Thursday, or Friday, but exclude dates that are Saturday or Sunday. In addition, we need an option to exclude a list of...Read more

In this example, the goal is to sum the first n matching values in a set of data. Specifically, we want to sum the first 3 values for both Red and Blue, based on the order they appear in the table. There are 12 values total; 6 entries each for Red and Blue. All data is in ...Read more

This example uses the UNIQUE function together with the FILTER function. The FILTER function removes data that does not meet required criteria, and the UNIQUE function further limits results to unique values only.

Working from the inside out, the FILTER function is used to collect source...Read more

This example uses the UNIQUE function together with the FILTER function. Working from the inside out, the FILTER function is first used to remove limit data to values associated with group A only:

FILTER(B5:B16,C5:C16=E4)

Notice we are...Read more

In this example, the goal is to create a list of pay dates that follow a semimonthly schedule. A semimonthly pay schedule means employees are paid twice a month, usually on fixed dates such as the 1st and 15th or the 15th and the last day of the month. This results in 24 pay periods over...Read more

In the example shown, we have a set of order data that includes Date, Product, Name, and Amount. The data is sorted by date in ascending order. The goal is to look up the latest order for a given person by Name. In other words, we want the last match by name. The challenge is that Excel...Read more

The SMALL function retrieves the smallest values from data based on a given rank. For example:

=SMALL(range,1) // smallest
=SMALL(range,2) // 2nd smallest
=SMALL(range,3) // 3rd smallest

In the...Read more

In this example, the goal is to generate a list of leap years between a given start year and end year. The worksheet is set up so that the start year is an input in cell B5 and the end year is an input in cell B8. If either value changes, the formula should generate a new list of leap years...Read more

In this example, the goal is to sum every nth value by column in a range of data, as seen in the worksheet above. For example, if n=2, we want to sum every second value by column, if n=3, we want to sum every third value by column, and so on....Read more

Note: in more recent versions of Excel, the FILTER function is a better way to solve this problem. The INDEX and MATCH formula explained here is meant for legacy versions of Excel that do not provide the FILTER...Read more

In this example the goal is to check a cell for several things at once, and return a comma separated list of the things that were found.  In other words, we want check for the colors seen in column E and list the colors found in column C. The formula in C5, copied down, is:

...Read more

An interesting problem in Excel is how to look up information related to the maximum value in a set of data. For example, if you have a dataset of property listings and prices, you might want to find details about the property with the highest price. The best way to solve this problem...Read more

In this example, the goal is to get all names in a given group into separate rows grouped by column, as seen in the worksheet above. This is sometimes referred to as a "pivot" operation. The idea is to restructure the data into multiple columns where each column holds the names that belong...Read more

One of the trickier problems in Excel is to count rows in a set of data with "OR logic". There are two basic scenarios: (1) you want to count rows where a value in a column is "x" OR "y" (2) you want to count rows where a value, "x", exists in one column OR another.

In this example, the...Read more

In this example, the goal is to get all names in a given group into the same row, in separate columns, as seen in the worksheet. This is sometimes referred to as a "pivot" operation. The idea is to restructure the data into multiple columns using common values, which in this case are the...Read more