diff --git a/compiti_per_casa/es_18.ps1 b/compiti_per_casa/es_18.ps1
new file mode 100644
index 0000000..595e278
--- /dev/null
+++ b/compiti_per_casa/es_18.ps1
@@ -0,0 +1 @@
+get-help about_escape_character | tee "Escape"
\ No newline at end of file
diff --git a/compiti_per_casa/es_19.ps1 b/compiti_per_casa/es_19.ps1
new file mode 100644
index 0000000..e91b078
--- /dev/null
+++ b/compiti_per_casa/es_19.ps1
@@ -0,0 +1 @@
+Foreach-Object { Start-Process -FilePath "*at" �Verb Print}
\ No newline at end of file
diff --git a/compiti_per_casa/es_24.ps1 b/compiti_per_casa/es_24.ps1
new file mode 100644
index 0000000..f77ee29
--- /dev/null
+++ b/compiti_per_casa/es_24.ps1
@@ -0,0 +1 @@
+get-alias | format-table -property Name, Definition | out-file C:\Users\alessandro.gori\Desktop\Esercizio24
\ No newline at end of file
diff --git a/compiti_per_casa/es_27.ps1 b/compiti_per_casa/es_27.ps1
new file mode 100644
index 0000000..0f70319
--- /dev/null
+++ b/compiti_per_casa/es_27.ps1
@@ -0,0 +1,5 @@
+$par = $args
+if($par -gt  10) 
+{echo ";Maggiore di 10"}
+ else   
+{echo "Minore di 10"}
\ No newline at end of file
diff --git a/compiti_per_casa/es_30.ps1 b/compiti_per_casa/es_30.ps1
new file mode 100644
index 0000000..4efab59
--- /dev/null
+++ b/compiti_per_casa/es_30.ps1
@@ -0,0 +1,11 @@
+$par = $args[0]
+$vet = 1,3,5,7,9,11,13,15,17,19,21,23,25,27,29,31,33,35,37,39
+$cont = 0
+for($i = 0; $i -le 20; $i++)
+{
+	if($vet[$i] -gt $par)
+	{
+		$cont ++
+	}
+}
+write-host "$cont"
\ No newline at end of file
diff --git a/compiti_per_casa/es_33.ps1 b/compiti_per_casa/es_33.ps1
new file mode 100644
index 0000000..2dc6e4e
--- /dev/null
+++ b/compiti_per_casa/es_33.ps1
@@ -0,0 +1,17 @@
+$N = $args[1]
+
+switch ($args[0])
+{
+	"S" {$N ++
+	     write-host "$N"}
+	"P" {$N --
+	     write-host "$N"}
+	"D" {$N = $N * 2
+	     write-host "$N"}
+	"M" {$N = $N /2
+	     write-host "$N"}
+	default {Write-host "S = Successivo"
+		 Write-host "P = Precedente"
+		 Write-host "D = Doppio"
+		 Write-host "M = Met�"}
+}
\ No newline at end of file