Next to some of the formula symbols for the oxides to the left of the unity formula panel you may see an asterisk. This indicates that oxide is included in the calculation of unity for the formula. In Fig.1 the flux group of oxides have been set for unity. You will also see asterisks beside the oxide symbols in the colourants window. More ... Setting the decimal place accuracy for formula calculations The default setting for decimal place accuracy in formula calculations is 3. You may change this to 2 or 4 by selecting the Set Decimal Places item in the Matrix menu. Follow these links for more information about:

