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Category Archives: Formula
Today is a special day. Today is February 29th, which happens only once every four years. And today is Saturday, when I usually post a new blog. So let’s talk about how to determine if a year is leap year using … Continue reading
Can you spot the error in the above formula? It’s not about the new function of XLOOKUP. It’s about inevitable human error… If you are an Excel fan, you should be aware of the exciting XLOOKUP function in Office 365. … Continue reading
…that works even when filter is applied. The situation: We have a table that we would like to apply color banding based on groups. We can achieve this by inserting a helper column to identify the sequence of each group, … Continue reading
In the previous blog post, we see how Flash Fill extracts First Name and Last Name from an email address in a format shown above. I’ve also recorded a video for that post. Flash Fill is so smart to detect … Continue reading
Conditional Formatting with formula could be tricky (or difficult), especially when the data layout is bad because you have to very clear and careful on the “applied to” range and the absolute/relative references set in the formula. Otherwise, it won’t work and can be quite confusing, if not frustrating. 😛
In this post, I will talk about a case that you will see how empty rows in a data set would complicate the process in setting up conditional formatting. And then I will show three different approaches to tackle the issues. Hope you find it helpful. Continue reading
Today is a public holiday in Hong Kong. A perfect break in the middle of a busy week. What did I do on a public holiday? Excel, Excel and Excel. 🙂 I watched a few videos from my favourite YouTube … Continue reading
This is a short story of mine, and an imaginary conversation in my head… How to change the first letter (of first word only) to upper case in Excel? This was a question from a colleague sitting opposite to me. … Continue reading
When TRIM and CLEAN do not work… Is it something bothering you? To fix this problem, we need to understand where is the “leading space” coming come. Before we jump to that, I want to show you two Excel functions … Continue reading
Turn REPLACE function into “INSERT” function Continue reading
Quite a long time ago, I wrote a post to discuss a trick to format date with “st”, “nd”, “rd”, etc… In this post, I am going to discuss the reversed way: Turning an English written date with “Dst MMMM, … Continue reading
Got the following question: hi, how do i search for a specific combination of characters exclusively i.e. if one cell contains 5A;3B&4C while another cell contains 5AA;3B&4C, and my search criteria is 5A, i want the results to return only … Continue reading
What is “Whichever higher”? Situation: You call to your favourite restaurant to reserve a private room for family dinner on Saturday. The restaurant manager tells you that there will be a minimum charge of $2000 for a private room. That mean, … Continue reading
Advanced use of SUMPRODUCT for multi-conditional SUM In the previous posts, we talked about the basic of SUMPRODUCT, the behaviors of logical values (i.e. TRUE/FALSE) when they are put into basic mathematics operations. These set the foundation to understand the … Continue reading
Have you heard about Logic Gate? I learned logic gate in high school physics. Decades ago… so don’t expect I can remember what it is. 😛 Having said that, I do remember the fundamental concept about AND gate and OR gate, … Continue reading
The basic of SUMPRODUCT Suppose we have a column showing retail price of different items; another column showing the units sold (illustrated above). To get the total sales, most people will deploy a helper column to get the sales of each … Continue reading