diff --git a/Powerpoint Examples/Powerpoint 1/p1-hello-world.cs b/Powerpoint Examples/Powerpoint 1/p1-hello-world.cs
new file mode 100644
index 0000000..e69de29
diff --git a/Powerpoint Examples/Powerpoint 1/p2-strings.cs b/Powerpoint Examples/Powerpoint 1/p2-strings.cs
new file mode 100644
index 0000000..4c0d379
--- /dev/null
+++ b/Powerpoint Examples/Powerpoint 1/p2-strings.cs	
@@ -0,0 +1,10 @@
+using System;
+
+class P2 {
+
+	static void Main()
+	{
+		string hi = "World";
+		Console.WriteLine("Hello {0}", hi);
+	}
+}
\ No newline at end of file
diff --git a/Powerpoint Examples/Powerpoint 1/p3-loops.cs b/Powerpoint Examples/Powerpoint 1/p3-loops.cs
new file mode 100644
index 0000000..926b84d
--- /dev/null
+++ b/Powerpoint Examples/Powerpoint 1/p3-loops.cs	
@@ -0,0 +1,32 @@
+using System;
+
+class P3 {
+	static void Main()
+	{
+		int x = 0;
+		int whilei = 0;
+		Console.WriteLine("Starting looping");
+		Console.WriteLine();
+		if (x > 5)
+			Console.WriteLine("x is greator than 5");
+		else
+			Console.WriteLine("x is less than  5");
+		Console.WriteLine();
+		for(int i = 0; i < 4; i++)
+		{
+			Console.WriteLine("For loop...");
+		}
+		Console.WriteLine();
+		while(whilei < 5)
+		{
+			Console.WriteLine("While loop...");
+			whilei++;
+		}
+		whilei = 0;
+		Console.WriteLine();
+		do {
+			Console.WriteLine("do-while loop...");
+			whilei++;
+		} while (whilei < 5);
+	}
+}
\ No newline at end of file
diff --git a/Powerpoint Examples/Powerpoint 1/p4-exceptions.cs b/Powerpoint Examples/Powerpoint 1/p4-exceptions.cs
new file mode 100644
index 0000000..428cef4
--- /dev/null
+++ b/Powerpoint Examples/Powerpoint 1/p4-exceptions.cs	
@@ -0,0 +1,26 @@
+using System;
+using System.Diagnostics;
+using System.Text;
+
+class P4 {
+	static public void fail()
+	{
+		throw(new System.Exception("fail"));
+	}
+	static void Main(string[] args)
+	{
+		bool debug = false;
+		if (args.Length == 0)
+			Console.WriteLine("Possible parameters are -d");
+		for(int i = 0; i < args.Length; i++)
+		{
+			if (args[i] == "-d")
+				debug = true;
+			Console.WriteLine("args at {0} is {1}", i, args[i]);
+		}
+		if (debug)
+		{
+			Console.WriteLine("DEBUGGED!!!");
+		}
+	}
+}
\ No newline at end of file
diff --git a/Powerpoint Examples/Powerpoint 1/p5-new.cs b/Powerpoint Examples/Powerpoint 1/p5-new.cs
new file mode 100644
index 0000000..f6172f5
--- /dev/null
+++ b/Powerpoint Examples/Powerpoint 1/p5-new.cs	
@@ -0,0 +1,13 @@
+using System;
+
+class P5 {
+	static void Main()
+	{
+		P5 Me = new P5();
+		int n = Me.doublenum(2);
+	}
+	virtual int doublenum(int num)
+	{
+		return num*2;
+	}
+}
\ No newline at end of file
diff --git a/Powerpoint Examples/Powerpoint 1/p6-class.cs b/Powerpoint Examples/Powerpoint 1/p6-class.cs
new file mode 100644
index 0000000..c6ebc84
--- /dev/null
+++ b/Powerpoint Examples/Powerpoint 1/p6-class.cs	
@@ -0,0 +1,15 @@
+using System;
+
+class P5 {
+	static void Main()
+	{
+		Console.WriteLine("Hello, world");
+	}
+}
+
+class cCar {
+	void go()
+	{
+	
+	}
+}
\ No newline at end of file
diff --git a/Powerpoint Examples/Powerpoint 2/p2-class-inherit-new.cs b/Powerpoint Examples/Powerpoint 2/p2-class-inherit-new.cs
new file mode 100644
index 0000000..7934c04
--- /dev/null
+++ b/Powerpoint Examples/Powerpoint 2/p2-class-inherit-new.cs	
@@ -0,0 +1,26 @@
+using System;
+
+class P2 {
+	static void Main()
+	{
+		cDog ob2 = new cDog();
+		cMammal ob1 = (cMammal)ob2;
+		//Notice that "Grunt" is still outputted EVEN though it is a dog?
+		ob1.speak();
+		ob2.speak();
+	}
+}
+
+class cMammal {
+	public void speak()
+	{
+		Console.WriteLine("Grunt");
+	}
+}
+
+class cDog : cMammal {
+	public new void speak()
+	{
+		Console.WriteLine("woof woof");
+	}
+}
\ No newline at end of file
diff --git a/Powerpoint Examples/Powerpoint 2/p3-class-inherit-override.cs b/Powerpoint Examples/Powerpoint 2/p3-class-inherit-override.cs
new file mode 100644
index 0000000..547524b
--- /dev/null
+++ b/Powerpoint Examples/Powerpoint 2/p3-class-inherit-override.cs	
@@ -0,0 +1,25 @@
+using System;
+
+class P2 {
+	static void Main()
+	{
+		cDog ob2 = new cDog();
+		cMammal ob1 = (cMammal)ob2;
+		ob1.speak();
+		ob2.speak();
+	}
+}
+
+class cMammal {
+	public virtual void speak()
+	{
+		Console.WriteLine("Grunt");
+	}
+}
+
+class cDog : cMammal {
+	public override void speak()
+	{
+		Console.WriteLine("woof woof");
+	}
+}
\ No newline at end of file
diff --git a/Powerpoint Examples/Powerpoint 2/p4-inherit-sealed.cs b/Powerpoint Examples/Powerpoint 2/p4-inherit-sealed.cs
new file mode 100644
index 0000000..800bd9e
--- /dev/null
+++ b/Powerpoint Examples/Powerpoint 2/p4-inherit-sealed.cs	
@@ -0,0 +1,36 @@
+using System;
+
+class P2 {
+	static void Main()
+	{
+		cDog ob2 = new cDog();
+		cMammal ob1 = (cMammal)ob2;
+		ob1.speak();
+		ob2.speak();
+	}
+}
+
+class cMammal {
+	public virtual void speak()
+	{
+		Console.WriteLine("Grunt");
+	}
+}
+
+class cDog : cMammal {
+	public sealed override void speak()
+	{
+		Console.WriteLine("woof woof");
+	}
+}
+
+/*
+	Uncomment this section to see the compile complain that you are
+	trying to implment a function labeled as "sealed"
+*/
+/*class cMutatedDog : cDog {
+	public override void speak()
+	{
+		Console.WriteLine("wriggle wriggle");
+	}
+}*/
\ No newline at end of file
diff --git a/Powerpoint Examples/Powerpoint 2/p5-properties.cs b/Powerpoint Examples/Powerpoint 2/p5-properties.cs
new file mode 100644
index 0000000..5a210e1
--- /dev/null
+++ b/Powerpoint Examples/Powerpoint 2/p5-properties.cs	
@@ -0,0 +1,18 @@
+using System;
+
+class P5 {
+	static void Main()
+	{
+		Point p1 = new Point();
+		p1.X = 10;
+	}
+}
+
+class Point {
+	Int32 x;
+	Int32 y;
+	public Int32 X {
+		get { return x; }
+		set { x = value; }
+	}
+}
\ No newline at end of file
diff --git a/Powerpoint Examples/Powerpoint 2/p6-constructors.cs b/Powerpoint Examples/Powerpoint 2/p6-constructors.cs
new file mode 100644
index 0000000..61062eb
--- /dev/null
+++ b/Powerpoint Examples/Powerpoint 2/p6-constructors.cs	
@@ -0,0 +1,28 @@
+using System;
+
+class P6 {
+	static void Main()
+	{
+		Point p = new Point(5,5);
+		Console.WriteLine("x = {0}", p.X);
+	}
+}
+
+class Point {
+	int x, y;
+	public Point()
+	{
+		this.x = 0;
+		this.y = 0;
+	}
+	public Point(int x, int y)
+	{
+		this.x = x;
+		this.y = y;
+	}
+	public int X{
+	  get{return x;}
+	  set{x = value;}
+	}
+
+}
\ No newline at end of file
diff --git a/Powerpoint Examples/Powerpoint 2/p8-delegate.cs b/Powerpoint Examples/Powerpoint 2/p8-delegate.cs
new file mode 100644
index 0000000..1b88be5
--- /dev/null
+++ b/Powerpoint Examples/Powerpoint 2/p8-delegate.cs	
@@ -0,0 +1,22 @@
+using System;
+ 
+delegate void MyDelegate(String message);
+ 
+class App{
+   public static void Main(){
+      MyDelegate call = new MyDelegate(FirstMethod);
+      call += new MyDelegate(SecondMethod);
+ 
+      call("Message A");
+      call("Message B");
+      call("Message C");
+   }
+ 
+   static void FirstMethod(String str){
+      Console.WriteLine("1st method: "+str);
+   }
+ 
+   static void SecondMethod(String str){
+      Console.WriteLine("2nd method: "+str);
+   }
+}
\ No newline at end of file
diff --git a/Powerpoint Examples/Powerpoint 2/p9-operator-overload.cs b/Powerpoint Examples/Powerpoint 2/p9-operator-overload.cs
new file mode 100644
index 0000000..9424012
--- /dev/null
+++ b/Powerpoint Examples/Powerpoint 2/p9-operator-overload.cs	
@@ -0,0 +1,33 @@
+using System;
+
+class P9 {
+	static void Main()
+	{
+		bigint n1 = new bigint(5);
+		bigint n2 = new bigint(2); 
+		bigint n3;
+		n3 = n1 + n2;
+		Console.WriteLine("Value of n3 = {0}", n3.val);
+	}
+}
+
+class bigint {
+	int num;
+	public static bigint operator +(bigint c1, bigint c2)
+	{
+		return new bigint(c1.val + c2.val);
+	}
+	
+	public bigint()
+	{
+		this.num = 0;
+	}
+	public bigint(int i)
+	{
+		this.num = i;
+	}
+	public int val {
+		get { return this.num; }
+		set { this.num = val; }
+	}
+}
\ No newline at end of file
diff --git a/compile.bat b/compile.bat
new file mode 100644
index 0000000..ca5860b
--- /dev/null
+++ b/compile.bat
@@ -0,0 +1,36 @@
+@echo off
+:: Nathan Adams
+:: 8/13/2014
+:: 70-245 Object Oriented Design
+
+:: This script is designed to invoke the C# compiler assuming that they don't have VS installed
+:: Microsoft bundles csc.exe with the .Net Framework itself which lives under:
+:: C:\Windows\Microsoft.NET\Framework
+
+:: Note - .Net 3.0 does not seem to come packages with .Net compilers
+
+:: This script will go down and attempt to find one - the assumption is that every system has .Net installed.
+
+if exist C:\Windows\Microsoft.NET\Framework\v4.0.30319\csc.exe (
+	echo Compiling with .Net 4.0
+	C:\Windows\Microsoft.NET\Framework\v4.0.30319\csc.exe %*
+	goto :end
+)
+
+if exist C:\Windows\Microsoft.NET\Framework\v3.5\csc.exe (
+	echo Compiling with .Net 3.5
+	C:\Windows\Microsoft.NET\Framework\v3.5\csc.exe %*
+	goto :end
+)
+
+if exist C:\Windows\Microsoft.NET\Framework\v2.0.50727\csc.exe (
+	echo Compiling with .Net 2.0
+	C:\Windows\Microsoft.NET\Framework\v3.5\csc.exe %*
+	goto :end
+)
+
+:end
+
+if exist %CD%\%~n1.exe (
+	%CD%\%~n1.exe
+)
\ No newline at end of file