src/org/tiefaces/components/websheet/service/CellHelper.java
public final void reCalc() {

		parent.getFormulaEvaluator().clearAllCachedResultValues();
		try {
			parent.getFormulaEvaluator().evaluateAll();
		} catch (Exception ex) {
			// skip the formula exception when recalc but log it
			LOG.log(Level.SEVERE,
					" recalc formula error : " + ex.getLocalizedMessage(),
					ex);
		}

	}
public final void reCalc() {

		parent.getFormulaEvaluator().clearAllCachedResultValues();
		try {
			parent.getFormulaEvaluator().evaluateAll();
		} catch (Exception ex) {
			// skip the formula exception when recalc but log it
			LOG.log(Level.SEVERE,
					" recalc formula error : " + ex.getLocalizedMessage(),
					ex);
		}

	}
recalc whole workbook.