# Volatile Functions

Spread for WinForms provides advanced software components that support Excel import/export, full cell customization, an extensive calculation engine with over 450 functions and more, all with zero dependencies on Excel.

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Formulas that contain volatile functions are recalculated every time any other function is recalculated. If the EnableCrossSheetReferences property for the control is false, then the functions are recalculated only on the sheet where the changes occur.