How to Strengthen Formulas with New Functions in Salesforce?

Make your formulas more robust by using the new Date and Time, Math, and Text functions. Unless specified otherwise, you can use the new functions everywhere that you include a formula, such as formula fields, validation rules, approval processes, and workflow rules.

Where: This change applies to Lightning Experience and Salesforce Classic in Essentials, Professional, Enterprise, Unlimited, and Developer editions.

How: Grouped by type, here are the new functions for building formulas.