The method by which formulas are evaluated within the spreadsheet environment dictates processing order and resource allocation. Users can typically select between automatic and manual evaluation options. For example, in automatic mode, any change to a cell’s value will trigger a recalculation of all dependent formulas. Conversely, the manual setting only recalculates when explicitly commanded by the user, such as pressing a specific key combination or clicking a designated button.
Employing the appropriate methodology can significantly impact performance, especially in large or complex models. Choosing the manual option can be beneficial for intricate worksheets, preventing excessive recomputation with each minor edit and thus conserving system resources. Historically, spreadsheet applications defaulted to automatic recalculation for simplicity, but the increasing complexity of modern workbooks has elevated the importance of understanding and utilizing the alternative approach for optimization.