diff --git a/lib/jmat.core-1.1.0.jar b/lib/jmat.core-1.1.0.jar
new file mode 100644
index 0000000..e2bdf12
Binary files /dev/null and b/lib/jmat.core-1.1.0.jar differ
diff --git a/src/hbb/HelloWorld.java b/src/hbb/HelloWorld.java
index 616f27e..62fddbf 100644
--- a/src/hbb/HelloWorld.java
+++ b/src/hbb/HelloWorld.java
@@ -1,7 +1,44 @@
 package hbb;
 
+import java.lang.Double;
+import main.java.matrices.util.MatMaths;
+import main.java.matrices.DMatrix;
+
 public class HelloWorld {
     public static void main(String[] args) {
-        System.out.println("Hello World");
+	Double[][] array = {{1.,3.},{2.,7.}};
+	Double[][] arrOne = {{1.,1.,1.},{1.,1.,1.},{1.,1.,1.}};
+	Double[][] arrTwo = {{2.,2.,2.},{2.,2.,2.},{2.,2.,2.}};
+	Double[][] mArray = {{2.},{3.},{4.}};
+	Double[][] pArray = {{1.,6.}};
+
+	DMatrix matrix = new DMatrix(array);
+	DMatrix matrixOne = new DMatrix(arrOne);
+	DMatrix matrixTwo = new DMatrix(arrTwo);
+	DMatrix m = new DMatrix(mArray);
+	DMatrix p = new DMatrix(pArray);
+	DMatrix inverseMatrix = MatMaths.inverseOf(matrix);
+	DMatrix addMatrix = MatMaths.add(matrixOne,matrixTwo);
+	DMatrix multMatrix = MatMaths.mul(m,p);
+
+        System.out.println("First Matrix:");
+	/*
+	for (Double matValue : matrix) {
+		System.out.println(matValue);
+	}
+	*/
+        matrix.show();
+
+        System.out.println("Inverted Matrix:");
+        inverseMatrix.show();
+
+        System.out.println("Add Matrix:");
+        addMatrix.show();
+        System.out.println("m Matrix:");
+        m.show();
+        System.out.println("p Matrix:");
+        p.show();
+        System.out.println("Multiply Matrix:");
+        multMatrix.show();
     }
 }