diff --git a/src/main/java/com/mattrixwv/matrix/IntegerMatrix.java b/src/main/java/com/mattrixwv/matrix/IntegerMatrix.java
index 2f0fdad..02e6872 100644
--- a/src/main/java/com/mattrixwv/matrix/IntegerMatrix.java
+++ b/src/main/java/com/mattrixwv/matrix/IntegerMatrix.java
@@ -1,7 +1,7 @@
 //Matrix/src/main/java/com/mattrixwv/IntegerMatrix.java
 //Mattrixwv
 // Created: 02-01-22
-//Modified: 02-01-22
+//Modified: 02-03-22
 package com.mattrixwv.matrix;
 
 
@@ -153,6 +153,15 @@ public class IntegerMatrix{
 			grid[row][col] = elements[col];
 		}
 	}
+	public void setRow(int row, IntegerMatrix matrix){
+		//Make sure the matrix has a single row
+		if(matrix.getNumRows() != 1){
+			throw new InvalidGeometryException("Setting a row by Matrix requires the matrix contain a single row");
+		}
+
+		//Set the row
+		setRow(row, matrix.grid[0]);
+	}
 	public void setCol(int col, int[] elements){
 		//Make sure the column number is valid
 		if((col < 0) || (col >= getNumCols())){
@@ -168,6 +177,15 @@ public class IntegerMatrix{
 			grid[row][col] = elements[row];
 		}
 	}
+	public void setCol(int col, IntegerMatrix matrix){
+		//Make sure the matrix has a single column
+		if(matrix.getNumCols() != 1){
+			throw new InvalidGeometryException("Setting a column by Matrix requires the matrix contain a single column");
+		}
+
+		//Set the column
+		setCol(col, matrix.getCol(0));
+	}
 	//Adds
 	public void addRow(int[] elements){
 		//Make sure the number of columns is valid
@@ -188,6 +206,15 @@ public class IntegerMatrix{
 			grid[grid.length - 1][col] = elements[col];
 		}
 	}
+	public void addRow(IntegerMatrix matrix){
+		//Make sure the matrix has a single row
+		if(matrix.getNumRows() != 1){
+			throw new InvalidGeometryException("Adding a row by Matrix requires the matrix contain a single row");
+		}
+
+		//Add the row
+		addRow(matrix.grid[0]);
+	}
 	public void addCol(int[] elements){
 		//Make sure the number of rows is valid
 		if(grid.length == 0){
@@ -196,8 +223,8 @@ public class IntegerMatrix{
 		else if(grid.length == elements.length){
 			//Copy all existing data into the new grid
 			for(int row = 0;row < grid.length;++row){
-				int[] workingRow = new int[grid[0].length + 1];
-				for(int workingCol = 0;workingCol < grid[0].length;++workingCol){
+				int[] workingRow = new int[grid[row].length + 1];
+				for(int workingCol = 0;workingCol < grid[row].length;++workingCol){
 					workingRow[workingCol] = grid[row][workingCol];
 				}
 				grid[row] = workingRow;
@@ -212,6 +239,59 @@ public class IntegerMatrix{
 			grid[row][grid[row].length - 1] = elements[row];
 		}
 	}
+	public void addCol(IntegerMatrix matrix){
+		//Make sure the matrix has a single column
+		if(matrix.getNumCols() != 1){
+			throw new InvalidGeometryException("Adding a column by Matrix requires the matrix contain a single column");
+		}
+
+		//Add the column
+		addCol(matrix.getCol(0));
+	}
+	public IntegerMatrix appendRight(IntegerMatrix rightSide){
+		//Make sure the matrices have the same number of rows
+		if(getNumRows() != rightSide.getNumRows()){
+			throw new InvalidGeometryException("Invalid number of rows. " + rightSide.getNumRows() + " must be " + getNumRows());
+		}
+
+		//Traverse both matrices and set their values in the new matrix
+		int[][] newGrid = new int[getNumRows()][getNumCols() + rightSide.getNumCols()];
+		for(int row = 0;row < getNumRows();++row){
+			//Set all elements from the current grid's row
+			for(int col = 0;col < getNumCols();++col){
+				newGrid[row][col] = grid[row][col];
+			}
+			//Set all elements from the right side grid's row
+			for(int col = 0;col < rightSide.getNumCols();++col){
+				newGrid[row][getNumCols() + col] = rightSide.grid[row][col];
+			}
+		}
+
+		//Return the new matrix
+		return new IntegerMatrix(newGrid);
+	}
+	public IntegerMatrix appendBottom(IntegerMatrix rightSide){
+		//Make sure the matrices have the same number of columns
+		if(getNumCols() != rightSide.getNumCols()){
+			throw new InvalidGeometryException("Invalid number of columns. " + rightSide.getNumCols() + " must be " + getNumCols());
+		}
+
+		//Traverse both matrices and set their values in the new matrix
+		int[][] newGrid = new int[getNumRows() + rightSide.getNumRows()][getNumCols()];
+		for(int col = 0;col < getNumCols();++col){
+			//Set all elements from the current grid's column
+			for(int row = 0;row < getNumRows();++row){
+				newGrid[row][col] = grid[row][col];
+			}
+			//Set all elements from the right side grid's column
+			for(int row = 0;row < rightSide.getNumRows();++row){
+				newGrid[getNumRows() + row][col] = rightSide.grid[row][col];
+			}
+		}
+
+		//Return the new matrix
+		return new IntegerMatrix(newGrid);
+	}
 
 	//Simple operations
 	public static IntegerMatrix generateIdentity(int size){