One of the functions of the Formatter app is 'Spreadsheet Style formula'. It allows you to run the information from previous steps of a Zap through a formula.
If you've not used Spreadsheet style formula in a Zap before, this guide walks you through how to add use them: Use spreadsheet-style formulas in Zap
There's a whole bunch of different functions that you can add to the formula (this help guide documents all of them), which means that the possible applications for them are almost endless!
Is there a particular function that you find yourself using a lot? Or did you create a nifty IF statement that you're particularly proud of? Share your formula tips and show off your creative calculations!