text: public boolean isSubTotal(int rowIndex, int columnIndex){boolean subtotal = false;EvaluationCell cell = getSheet().getCell(rowIndex, columnIndex);if(cell != null && cell.getCellType() == CellType.FORMULA){EvaluationWorkbook wb = _bookEvaluator.getWorkbook();for(Ptg ptg : wb.getFormulaTokens(cell)){if(ptg instanceof FuncVarPtg){FuncVarPtg f = (FuncVarPtg)ptg;if("SUBTOTAL".equals(f.getName())) {subtotal = true;break;}}}}return subtotal;}