The CHAR function returns a character that corresponds to the number in the character set used by your computer (ANSI for Windows). There are up to 255 different characters in the set, with the capital letters from A-Z starting at number 65. Z is 90. To generate a random letter you can use the RANDBETWEEN function:
EDIT: If you are using Excel 2019 or Office 365 you can use the TEXTJOIN function to solve this problem. Click here for the new article:
How to Join Text from Several Cells in Excel using TEXTJOIN
Unclean data can cause a lot of problems in Excel. In this post I will show how you can join data from different columns with a comma between them. That’s the easy part. The problem occurs when you have empty cells in your data, like in the table below. The result of the first row looks fine, but if you look at the rows with empty cells, you get too many commas:
This is a standard shortcut that works in most Windows applications, including all MS Office applications and all web browsers:
Hold down the Ctrl key and use the scroll wheel of your mouse to zoom in and out.
Of course, you can also use the zoom bar on the right bottom of the page, but when you know this shortcut you will probably never do that again!
Are you using a non-English version of Excel? Click here for translations of the 100 most common functions.
How can we calculate the grades (for example A-F) in Excel if we have the test results as numbers? In the example below, a score of 90% or higher is an A, 80-89% is a B, 70-79% is a C, 65-69% is a D and less than 65% is an F.
The first thing we should do is to organize this information in a lookup table:
Sometimes some of the data in a table have the wrong format. Take a look at this table, where some of the records are in hh:mm format, and others in hh:mm:ss format.
Here is an easy way to fix it:
The picture to the right shows a table with some sales figures for July. There’s nothing wrong with the table as it is, but I find it very hard to read and make sense of it. There are just a lot of numbers and dates, and you can’t even distinguish between weekdays and weekends. If we could highlight the weekends (or weekdays) it would be a lot easier to read these numbers. In this example I want to highlight the Saturdays and Sundays. Here’s how we’ll do it:
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