Frequently you can 'unroll' the circular references by using algebra so that iterative calculation is no longer needed. Minimize use of circular references with iterationĬalculating circular references with iterations is slow because multiple calculations are needed, and these calculations are single-threaded. Forward referencing usually does not affect calculation performance, except in extreme cases for the first calculation of a workbook, where it might take longer to establish a sensible calculation sequence if there are many formulas that need to have their calculation deferred.

To increase clarity and avoid errors, design your formulas so that they don't refer forward (to the right or below) to other formulas or cells.

Do not use forward referencing and backward referencing Learn how to improve performance related to types of references and links. Applies to: Excel | Excel 2013 | Office 2016 | VBAįollow these tips for optimizing many frequently occurring performance obstructions in Excel.

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