Imagine this: you’re managing a sprawling Excel spreadsheet with thousands of rows of data. You need to identify high-priority tasks, flag anomalies, or categorize entries based on specific rules.

Five hidden Excel rules show helper columns, LET, and LAMBDA in action, cutting errors and making updates quick for any growing sheet.

It's cleaner and less cluttered: The double-unary operator is the most concise way to apply a mathematical coercion operation to an array. For example, if you have a complex nested array formula, two ...