Chapters/using-net-framework-raw/Solution.ps1
function ConvertTo-RoundNumber { [CmdletBinding()] Param( [Parameter(Mandatory)] [double]$Number, [int]$DecimalPlaces ) if ($PSBoundParameters.ContainsKey('DecimalPlaces')) { [System.Math]::Round($Number, $DecimalPlaces) } else { [System.Math]::Round($Number) } } ConvertTo-RoundNumber -Number 5.55345 -DecimalPlaces 2 ConvertTo-RoundNumber -Number 5.6748 |