diff --git a/Axel/resources/summe.csv b/Axel/resources/summe.csv
index 50d75e1..5dc9d19 100644
--- a/Axel/resources/summe.csv
+++ b/Axel/resources/summe.csv
@@ -1,4 +1,4 @@
-=SUMME(C1:E2),,=1,=2,=3,,,,,
+=SUMME(C1:E2),=MAX(E2:C1),=1,=2,=3,,,,,
 ,,=4,=5,=6,,,,,
 ,,,,=0,,,,,
 ,,,,=0,,,,,
diff --git a/Axel/src/de/hs_mannheim/informatik/spreadsheet/Spreadsheet.java b/Axel/src/de/hs_mannheim/informatik/spreadsheet/Spreadsheet.java
index 6abb43a..cff1f6c 100644
--- a/Axel/src/de/hs_mannheim/informatik/spreadsheet/Spreadsheet.java
+++ b/Axel/src/de/hs_mannheim/informatik/spreadsheet/Spreadsheet.java
@@ -153,7 +153,6 @@ public class Spreadsheet {
 				result = "" + sum(onlyCells[0], onlyCells[1]);
 			}
 		}
-			
 		else if (formula.startsWith("PRODUKT(")) {// e.g. PRODUKT(A3:B9)
 			String[] onlyCells = formula.substring(8, formula.length() - 1).split(":");
 			
@@ -161,9 +160,6 @@ public class Spreadsheet {
 				result = "" + pro(onlyCells[0], onlyCells[1]);
 			}
 		}
-			
-			
-			
 		else if (formula.startsWith("MITTEL(")) {  // e.g. MITTEL(A3:A5)
 			String[] onlyCells = formula.substring(7, formula.length() - 1).split(":");
 			
@@ -171,9 +167,6 @@ public class Spreadsheet {
 				result = "" + mit(onlyCells[0], onlyCells[1]);
 			}
 		}
-			
-		
-		
 		else if (formula.startsWith("STABW(")) {  // e.g. STABW(C6:D8) -> minimal-wert
 			String[] onlyCells = formula.substring(6, formula.length() - 1).split(":");
 			
@@ -182,25 +175,18 @@ public class Spreadsheet {
 			}
 			
 		}	
-			
 		else if (formula.startsWith("MIN(")) {
 			String[] onlyCells = formula.substring(4, formula.length() - 1).split(":");
 			if(checkIfCellExists(onlyCells[0])&&checkIfCellExists(onlyCells[1])) {
 				result = "" + min(onlyCells[0], onlyCells[1]);
 			}
-			
-			
 		}
-			
-			
-			
 		else if (formula.startsWith("MAX(")) {// e.g. MAX(A1:A10) -> maximal-wert
 			String[] onlyCells = formula.substring(4, formula.length() - 1).split(":");
 			if(checkIfCellExists(onlyCells[0])&&checkIfCellExists(onlyCells[1])) {
 				result = "" + max(onlyCells[0], onlyCells[1]);
 			}
 		}
-			
 		else if (!formula.isEmpty()) {
 			try {
 				result = "" + calculate(formula);	//calculates the result of a "normal" algebraic expression.
@@ -236,7 +222,12 @@ public class Spreadsheet {
 		return summe;
 	}
 	
-//	TODO: Javadoc comments
+	/**
+	 * Method for calculating the product of a rectangular block of cells, such as from A1 to B3.
+	 * @param startCellName The name of the cell in the upper left corner of the rectangle.
+	 * @param endCellName The name of the cell in the lower right corner of the rectangle.
+	 * @return The product calculated.
+	 */
 	private long pro(String startCellName, String endCellName) {
 		int werte[]=getValues(startCellName,endCellName);
 		
@@ -247,7 +238,12 @@ public class Spreadsheet {
 		return produkt;
 	}
 	
-//	TODO: Javadoc comments
+	/**
+	 * Method for calculating the average of a rectangular block of cells, such as from A1 to B3.
+	 * @param startCellName The name of the cell in the upper left corner of the rectangle.
+	 * @param endCellName The name of the cell in the lower right corner of the rectangle.
+	 * @return The average calculated.
+	 */
 	private long mit(String startCellName, String endCellName) {
 		int werte[]=getValues(startCellName,endCellName);
 		
@@ -256,10 +252,14 @@ public class Spreadsheet {
 			summe+=werte[i];
 		}
 		return summe/werte.length;
-		
 	}
 
-//	TODO: Javadoc comments
+	/**
+	 * Method for calculating the standard deviation of a rectangular block of cells, such as from A1 to B3.
+	 * @param startCellName The name of the cell in the upper left corner of the rectangle.
+	 * @param endCellName The name of the cell in the lower right corner of the rectangle.
+	 * @return The standard deviation calculated.
+	 */
 	private double statbw(String startCellName, String endCellName) {
 		int werte[]=getValues(startCellName,endCellName);
 		
@@ -286,7 +286,12 @@ public class Spreadsheet {
 	
 	
 	
-	
+	/**
+	 * Method for calculating the minimum-value of a rectangular block of cells, such as from A1 to B3.
+	 * @param startCellName The name of the cell in the upper left corner of the rectangle.
+	 * @param endCellName The name of the cell in the lower right corner of the rectangle.
+	 * @return The minimum-value calculated.
+	 */
 	private long min(String startCellName, String endCellName) {
 		int werte[]=getValues(startCellName,endCellName);
 		
@@ -305,7 +310,12 @@ public class Spreadsheet {
 	}
 	
 	
-	
+	/**
+	 * Method for calculating the maximum-value of a rectangular block of cells, such as from A1 to B3.
+	 * @param startCellName The name of the cell in the upper left corner of the rectangle.
+	 * @param endCellName The name of the cell in the lower right corner of the rectangle.
+	 * @return The maximum-value calculated.
+	 */
 	private long max(String startCellName, String endCellName) {
 		int werte[]=getValues(startCellName,endCellName);
 		
@@ -324,7 +334,13 @@ public class Spreadsheet {
 	}
 	
 	
-//	TODO: Javadoc comments
+	/**
+	 * Method for reading and saving the values of a rectangular block of cells, such as from A1 to B3.
+	 * @param startCellName The name of the cell in the upper left corner of the rectangle.
+	 * @param endCellName The name of the cell in the lower right corner of the rectangle.
+	 * @return The values that are read, saved in an int array.
+	 */
+	
 	private int[] getValues(String startCellName, String endCellName) {
 		int startZeile=getRow(startCellName);
 		int startSpalte=getCol(startCellName);
@@ -349,10 +365,9 @@ public class Spreadsheet {
 		        }
 			}
 		}
-		
-		
 		return werte;
 	}
+	
 	/**
 	 * This method calculates the result of a "normal" algebraic expression. It only needs to support
 	 * expressions like =B4 or =2+A3-B2, i.e. only with int numbers and other cells and with plus,
@@ -440,7 +455,11 @@ public class Spreadsheet {
 	}
 
 	
-	//TODO: Javadoc Comment!!
+	/**
+	 * Method for checking if a given cell exists inside the current spreadsheet
+	 * @param cellName The name of the cell that is suppsoed to be checked.
+	 * @return true if cell exists inside spreadsheet.
+	 */
 	public boolean checkIfCellExists(String cellName) {
 		if((getRow(cellName)+1)<=cells.length&&(getCol(cellName)+1)<=cells[0].length) {
 			return true;