diff --git a/Axel/src/de/hs_mannheim/informatik/spreadsheet/Spreadsheet.java b/Axel/src/de/hs_mannheim/informatik/spreadsheet/Spreadsheet.java
index 8c8dbac..d6cec2f 100644
--- a/Axel/src/de/hs_mannheim/informatik/spreadsheet/Spreadsheet.java
+++ b/Axel/src/de/hs_mannheim/informatik/spreadsheet/Spreadsheet.java
@@ -1,5 +1,6 @@
 package de.hs_mannheim.informatik.spreadsheet;
 
+import java.io.File;
 import java.io.FileNotFoundException;
 import java.io.IOException;
 import java.io.PrintWriter;
@@ -7,8 +8,7 @@ import java.util.regex.Matcher;
 import java.util.regex.Pattern;
 import java.util.ArrayList;
 import java.util.List;
-
-
+import java.util.Scanner;
 /**
  * A simplified spreadsheet class for the PR1 programming lab at Hochschule Mannheim.
  * One aspect worth mentioning is that it only supports long numbers, not doubles.
@@ -17,8 +17,7 @@ import java.util.List;
  */
 public class Spreadsheet {
 	Cell[][] cells;
-
-	/**
+	/*
 	 * Constructor that creates a Spreadsheet of size rows * cols.
 	 * @param rows number of rows
 	 * @param cols number of columns
@@ -34,6 +33,23 @@ public class Spreadsheet {
 			for (int c = 0; c < colWithMax26; c++)
 				cells[r][c] = new Cell();
 	}
+	/**
+	 * Sets a Spreadsheet of size rows * cols.
+	 * @param rows number of rows
+	 * @param cols number of columns
+	 */
+	public void changeSize(int rows, int cols) {
+		cells = new Cell[0][0];
+		
+		int rowWithMax99= Math.min(rows, 99);
+		int colWithMax26= Math.min(cols, 26);
+
+		cells = new Cell[rowWithMax99][colWithMax26];
+
+		for (int r = 0; r < rowWithMax99; r++)
+			for (int c = 0; c < colWithMax26; c++)
+				cells[r][c] = new Cell();
+	}
 
 	// -----
 	/*
@@ -55,7 +71,7 @@ public class Spreadsheet {
 		cellName = cellName.toUpperCase();
 		return get(getRow(cellName), getCol(cellName));
 	}
-	private void put(int row, int col, String value) {
+	void put(int row, int col, String value) {
 		if (!value.startsWith("="))
 			cells[row][col].setValue(value);
 		else {
@@ -67,10 +83,10 @@ public class Spreadsheet {
 		cellName = cellName.toUpperCase();
 		put(getRow(cellName), getCol(cellName), value);
 	}
-	private int getCol(String cellName) {
+	public int getCol(String cellName) {
 		return cellName.charAt(0) - 'A';
 	}
-	private int getRow(String cellName) {
+	public int getRow(String cellName) {
 		if (cellName.length()==3) {
 			int Row = 0;
 			Row +=((cellName.charAt(1)-'0')*10);
@@ -86,13 +102,34 @@ public class Spreadsheet {
 	/** 
 	 * A method for reading in data from a CSV file.
 	 * @param path The file to read.
-	 * @param separator The char used to split up the input, e.g. a comma or a semicolon.
-	 * @param starCellName The upper left cell where data from the CSV file should be inserted.
+	 * @param startCellName The upper left cell where data from the CSV file should be inserted.
 	 * @return Nothing.
 	 * @exception IOException If path does not exist.
 	 */
-	public void readCsv(String path, char separator, String startCellName) throws FileNotFoundException {
-		// TODO: implement this
+	public void readCsv(String path, String startCellName) throws FileNotFoundException {
+		Scanner csvIn = new Scanner(new File(path));
+		int index= 0;
+		
+		while(csvIn.hasNextLine()){
+			String line =csvIn.nextLine();
+			String all="";
+			int filled=0;
+			for(int i = 0;i<line.length();i++) {
+				if(line.charAt(i)==',') {
+					if(!all.isBlank()) {
+						put(index,i-filled,all);
+						all="";
+					}
+				}else {
+					filled++;
+					all+=line.charAt(i);
+				}
+				
+			}
+			index++;
+		}
+		
+		csvIn.close();
 	}
 
 	/**
@@ -169,7 +206,7 @@ public class Spreadsheet {
 	 * @param endCellName The name of the cell in the lower right corner of the rectangle.
 	 * @return The sum calculated.
 	 */
-	private long sum(String startCellName, String endCellName) {
+	public long sum(String startCellName, String endCellName) {
 		long res = 0;
 		for(int j = getRow(startCellName); j<= (getRow(endCellName));j++){
 			for(int i = getCol(startCellName); i<= (getCol(endCellName));i++) {
@@ -186,7 +223,7 @@ public class Spreadsheet {
 	 * @param endCellName The name of the cell in the lower right corner of the rectangle.
 	 * @return The product calculated.
 	 */
-	private long prod(String startCellName, String endCellName) {
+	public long prod(String startCellName, String endCellName) {
 		long res = 1;
 		boolean anyNumbers= false;
 		for(int j = getRow(startCellName); j<= (getRow(endCellName));j++){
@@ -208,7 +245,7 @@ public class Spreadsheet {
 	 * @param endCellName The name of the cell in the lower right corner of the rectangle.
 	 * @return The Mid Value calculated.
 	 */
-	private long mid(String startCellName, String endCellName) {
+	public long mid(String startCellName, String endCellName) {
 		long res = 0;
 		int Numbers= 0;
 		for(int j = getRow(startCellName); j<= (getRow(endCellName));j++){
@@ -228,7 +265,7 @@ public class Spreadsheet {
 	 * @param endCellName The name of the cell in the lower right corner of the rectangle.
 	 * @return The Standard deviation calculated.
 	 */
-	private long stabw(String startCellName, String endCellName) {
+	public long stabw(String startCellName, String endCellName) {
 		long res=0;
 		long midSum=0;
 		//mid(startCellName,endCellName)
@@ -262,7 +299,7 @@ public class Spreadsheet {
 	 * @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) {
+	public long min(String startCellName, String endCellName) {
 		long res = 0;
 		List<Long> args = new ArrayList<>();
 		for(int j = getRow(startCellName); j<= (getRow(endCellName));j++){
@@ -288,7 +325,7 @@ public class Spreadsheet {
 	 * @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) {
+	public long max(String startCellName, String endCellName) {
 		long res = 0;
 		List<Long> args = new ArrayList<>();
 		for(int j = getRow(startCellName); j<= (getRow(endCellName));j++){