diff --git a/Scripts/write-sine-curves.ps1 b/Scripts/write-sine-curves.ps1
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+++ b/Scripts/write-sine-curves.ps1
@@ -0,0 +1,23 @@
+<#
+.SYNOPSIS
+        Write sine curves
+.DESCRIPTION
+        This PowerShell script writes sine curves.
+.EXAMPLE
+        PS> ./write-sine-curves
+.LINK
+        https://github.com/fleschutz/PowerShell
+.NOTES
+        Author: Markus Fleschutz | License: CC0
+#>
+
+0..1000 | foreach {
+	$Value = [int](40 * [math]::sin($_ / 10))
+	if ($Value -gt 0) {
+		$Line = " "*60+"*"*$value
+	} else {
+		$Line = " "*(60-(-1*$value))+"*"*($value*-1)
+	}
+	Write-Host $Line
+	Start-Sleep -milliseconds 50
+}
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