The SUMPRODUCT Collection - The Ultimate Excel Function

For the true spreadsheet connoisseur. This collection celebrates the quiet genius of =SUMPRODUCT() — versatile, powerful, and criminally underrated. From cozy sweatshirts to clever accessories, these are the perfect gifts for colleagues for analysts, accountants, and data lovers who appreciate function and form. Whether you’re summing weighted averages or just showing off your formula fluency, this collection was made for you.