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

For decades, Excel worked on a simple principle: you enter a formula into one cell, and it returns a single result into that ...

Excel processes the range (A1:A10) by converting it into an array in memory. This array is what Excel works with to calculate the sum. The distinction is subtle but important: while the range is the ...

Learn how Excel functions can act as data using LAMBDA, LET, and BYROW, so you reuse logic and cut formula edits.

David Kindness is a Certified Public Accountant (CPA) and an expert in the fields of financial accounting, corporate and individual tax planning and preparation, and investing and retirement planning.

Abstract: This study proposes a three-dimensional room transfer function (RTF) parameterization method based on multiple concentric planar circular arrays, which exhibits robustness to variations in ...

Abstract: Physical Unclonable Functions (PUFs) are frequently exploited for security purposes. In particular, they are adopted to generate unique authentication passwords and cryptographic keys, with ...