What is the LET function in Excel 365 and what performance benefit does it provide?

Question

Microsoft Excel — Hard

What is the LET function in Excel 365 and what performance benefit does it provide?

Accepted Answer

The LET function in Excel 365 assigns names to calculation results, enabling reuse and avoiding redundant calculations. This improves performance by computing intermediate values only once. Option B accurately describes this benefit. Options A, C, and D are incorrect as they misrepresent the LET function's purpose.