Index: src/java/org/apache/poi/hssf/record/formula/eval/RefEval.java
===================================================================
--- src/java/org/apache/poi/hssf/record/formula/eval/RefEval.java	(revision 815654)
+++ src/java/org/apache/poi/hssf/record/formula/eval/RefEval.java	(working copy)
@@ -17,6 +17,8 @@
 
 package org.apache.poi.hssf.record.formula.eval;
 
+import org.apache.poi.ss.formula.EvaluationCell;
+
 /**
  * @author Amol S Deshmukh < amolweb at ya hoo dot com >
  * 
@@ -26,6 +28,8 @@
  * reference. Thus if the HSSFCell has type CELL_TYPE_NUMERIC, the contained
  * value object should be of type NumberEval; if cell type is CELL_TYPE_STRING,
  * contained value object should be of type StringEval
+ * 
+ * Modified 09/07/09 by Petr Udalau - added method getEvaluationCell().
  */
 public interface RefEval extends ValueEval {
 
@@ -48,4 +52,9 @@
      * Creates an {@link AreaEval} offset by a relative amount from this RefEval
      */
     AreaEval offset(int relFirstRowIx, int relLastRowIx, int relFirstColIx, int relLastColIx);
+    
+    /**
+     * @return EvaluationCell referred to by this RefEval
+     */
+    EvaluationCell getEvaluationCell();
 }
Index: src/java/org/apache/poi/ss/formula/LazyRefEval.java
===================================================================
--- src/java/org/apache/poi/ss/formula/LazyRefEval.java	(revision 815654)
+++ src/java/org/apache/poi/ss/formula/LazyRefEval.java	(working copy)
@@ -52,6 +52,10 @@
 		return _evaluator.getEvalForCell(getRow(), getColumn());
 	}
 
+    public EvaluationCell getEvaluationCell() {
+        return _evaluator.getEvaluationCell(getRow(), getColumn());
+    }
+    
 	public AreaEval offset(int relFirstRowIx, int relLastRowIx, int relFirstColIx, int relLastColIx) {
 
 		AreaI area = new OffsetArea(getRow(), getColumn(),
Index: src/java/org/apache/poi/ss/formula/SheetRefEvaluator.java
===================================================================
--- src/java/org/apache/poi/ss/formula/SheetRefEvaluator.java	(revision 815654)
+++ src/java/org/apache/poi/ss/formula/SheetRefEvaluator.java	(working copy)
@@ -22,6 +22,10 @@
  *
  *
  * @author Josh Micich
+ * 
+ * June 4, 2009: Added method setCellValue for setting values in cells.
+ * 
+ * Modified 09/07/09 by Petr Udalau - added method getEvaluationCell(int rowIndex, int columnIndex).
  */
 final class SheetRefEvaluator {
 
@@ -53,4 +57,13 @@
 		}
 		return _sheet;
 	}
+	
+    /**
+     * @param rowIndex Row index.
+     * @param columnIndex Column index.
+     * @return EvaluationCell by row and column.
+     */
+	public EvaluationCell getEvaluationCell(int rowIndex, int columnIndex){
+        return getSheet().getCell(rowIndex, columnIndex);
+    }
 }