If you are building PowerShell longer than a few lines, it is good practice to break up your code into reusable snippets. This way you can only call the code snippet over and over instead of ...

Build flexible Excel functions that automatically handle blanks, defaults, and overrides without messy nested IFs.

Sometimes using ValidateSet isn't enough -- for instance, when you have multiple functions with the same parameter that you need to perform a task on. PowerShell has a data type called an enum, which ...

Replace legacy formulas with MAP, BYROW, BYCOL, SCAN, and REDUCE to build secure, scalable, and automated spreadsheets.