Power Fx is a programming language and toolset used to create custom expressions and formulas in the Microsoft Power Platform. It is used in various Power Platform tools, including Power Apps, Power Automate, and Power BI, to define logic and calculations in custom apps, workflows, and data models.
Power Fx is based on the Excel formula language, which means that it uses many of the same functions and operators as Excel. It also includes additional functions and features specific to the Power Platform.
Power Fx allows users to create complex expressions and formulas using a combination of functions, operators, and variables. It is a powerful tool for defining calculations and logic in custom apps, workflows, and data models, and can be used to create advanced solutions for a wide range of business needs.
The article by Frederik Engseth provides a cheat sheet / examples for common Power FX snippets and can be used as reference for your own scenarios.