Examples/MortgageCalculator/MortgageCalculator.ps1
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<#
Fixed Rate Loan/Mortgage Calculator in Excel #> param( $Amount = 400000, $InterestRate = .065, $Term = 30 ) function New-CellData { [Diagnostics.CodeAnalysis.SuppressMessageAttribute('PSUseShouldProcessForStateChangingFunctions', '', Justification='Does not change system state')] param( $Range, $Value, $Format ) $setFormatParams = @{ Worksheet = $ws Range = $Range NumberFormat = $Format } if ($Value -is [string] -and $Value.StartsWith('=')) { $setFormatParams.Formula = $Value } else { $setFormatParams.Value = $Value } Set-ExcelRange @setFormatParams } $f = "$PSScriptRoot\mortgage.xlsx" Remove-Item $f -ErrorAction SilentlyContinue $pkg = "" | Export-Excel $f -Title 'Fixed Rate Loan Payments' -PassThru -AutoSize $ws = $pkg.Workbook.Worksheets["Sheet1"] New-CellData -Range A3 -Value 'Amount' New-CellData -Range B3 -Value $Amount -Format '$#,##0' New-CellData -Range A4 -Value "Interest Rate" New-CellData -Range B4 -Value $InterestRate -Format 'Percentage' New-CellData -Range A5 -Value "Term (Years)" New-CellData -Range B5 -Value $Term New-CellData -Range D3 -Value "Monthly Payment" New-CellData -Range F3 -Value "=-PMT(F4, B5*12, B3)" -Format '$#,##0.#0' New-CellData -Range D4 -Value "Monthly Rate" New-CellData -Range F4 -Value "=((1+B4)^(1/12))-1" -Format 'Percentage' Close-ExcelPackage $pkg -Show |