# ROUNDDOWN The **ROUNDDOWN** function always rounds a number down, toward zero. Use ROUNDDOWN for conservative estimates, like minimizing costs. ## Syntax ```javascript rounddown(value, significance) ``` ## Arguments value - Required. The number to be rounded. significance - Optional. The number of decimal places to round off. ## Example ```javascript ROUNDDOWN(Actuals,2) //Rounds the Actuals to 1 decimal place ```