Professor Excel
minif, maxif, minifs, maxifs, formula, excel

MINIF & MAXIF: 5 Ways to Get a Conditional Minimum Value

Until Excel 2016, there is no built-in MINIF-Formula in Excel. There are COUNTIF, SUMIF, AVERAGEIF but no MINIF nor MAXIF before the latest version. However, there are situations in which you need to get the minimum under a condition. In the following post, we are going to illustrate how to return the minimum using a simple example. We got an Excel table with two columns “Car type” and “Price”. We want to know the minimum price for each car type. Sounds easy? Unfortunately, Excel makes it unnecessarily difficult to calculate.
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speed, up, excel, performance, calculation, speeding

Speed up Excel in 17 Easy Steps and Calculate Faster (+Download)

Excel is a great tool for performing complex calculations. Unfortunately, the larger an Excel spreadsheet gets, the slower the calculations will be. Depending on the formulas, size of the workbook and the computer, the calculations may take up to 30 minutes. In this article, we take a look at 17 methods to save time and speed up Excel. […]

IFERROR: How to Handle Error Messages in Excel

When your formula produces an error in Excel – for example #N/A or #VALUE? – you got two options: Solve the error or use it in your calculation. Solving is usually a good idea but not always possible. So let’s take a look at how to deal with errors in Excel formulas using the IFERROR formula.

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sum, sum up, excel, add, addition

Sum in Excel: 8 Ways Of Adding Up Values


One of the basic applications in Excel is summing up values. The most popular ways of adding up numbers are just using the ‘+’ sign or the formula SUM. But there are many other methods. Do you know about these 6 other ways to sum up values in Excel? In this article we’ll take a look at 8 methods for summing up values in Excel and compare them.

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index, match, excel, formula, vlookup

INDEX and MATCH: The Alternative to VLOOKUP in Excel

You’ve probably heard of the VLOOKUP formula in Excel, haven’t you? The VLOOKUP formula searches for a value in a column. Once found it returns another value from the same row. A combination of INDEX and MATCH serves the same purpose. It works slightly different and has therefore some advantages and disadvantages towards VLOOKUP. 

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excel, paste, tranpose, link, cells

Transpose and Link Data to Source in Excel

When you copy and paste cells in Excel, you can either paste them as links or transpose them. Excel doesn’t allow doing both at the same time. Unfortunately, you often need to link and transpose. But there are three ways for accomplishing this: Doing it manually, using the array formula {=TRANSPOSE()} or Professor Excel Tools. 

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wrong, calculations, excel

Wrong Calculations – Why Does Excel Show a Wrong Result?

Excel calculates wrong. Yes, in some cases, Excel will return wrong results. You don’t believe me? Then type the following formula into an empty Excel cell: =1*(0.5-0.4-0.1). The result should be 0. But what does Excel show?  -2,77556E-17. This is just a simple example, but when it comes to larger Excel models it can be quite annoying. Especially if you want to compare the result – let’s say you want to check the result with an IF-formula if it equals 0. So what is the reason for these obviously wrong calculations and how to solve it?

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now, formula, function, excel

NOW: Learn the Secrets of the Simple NOW() Formula in Excel

The NOW formula returns the current date and time. It can be applied easily by just typing =NOW()

How to Use the OFFSET Formula

The OFFSET formula is a very powerful, but unfortunately not easy to understand formula. It basically refers to another cell or cell range. You specify a starting point (“Reference”) from which you count rows and columns. If the starting point is cell A1 and you tell Excel to count 2 cells to the right and 3 down, it’ll return the reference to cell.

How to Use the TODAY Function

You want to display today’s date? Or you want to check, if a date written in a cell is today? There is an easy formula: =TODAY()