You’ve used SUM for years. It adds numbers, does its job, and you probably don’t think twice about it. But while you’ve been clicking through filters and building messy helper columns, Excel has been ...

Abstract: A combined cryptosystem with symmetric keys for encrypting messages is proposed. Its unique feature is the use of functions of a real variable as keys instead of natural numbers. Eight key ...

Google Sheets can be used to keep your work organized. With a few formulas, you can work with sheets very easily that will help you make your working time shorter, and help you save a lot of time.

Excel is a powerful tool for data calculation and manipulation. To make the most of Excel’s capabilities, it’s essential to know how to use the functions available. Two of the most commonly used ...

SQL Window functions are an advanced type of function in SQL. In this post, you will learn about what SQL window functions are and how they can be used or work. What are SQL window functions? SQL ...

Kudos on adding the aggregate functionality on the repository API. However, I find it quite expensive having to execute multiple queries to perform aggregations of different columns. It would be nice ...