Have you ever opened an Excel file and felt a pang of unease? Rows upon rows of data, cryptic formulas sprawled across cells, and a tangle of manual formatting that seems one misstep away from chaos.

Use dynamic arrays and tables for fast, scalable cascading drop-down lists in modern Excel.

An optimization problem is one where you have to make the best decision (choose the best investments, minimize your company’s costs, find the class schedule with the fewest morning classes, or so on).

Prevent broken formulas using tables, validation rules, separate worksheets, named variables, and the power of LAMBDA.

Much of the data that you use Excel to analyze comes in a list form. You might need to sort the data, filter it, sum it, and perhaps even chart it. Excel tables provide superior tools for working with ...