I function as the next. * The content rate is calculated from the atomicity. * The calculation which is nominal composition from the content rate * Oxygen can't be input because calculation of nominal composition assumes a burning way. The rest is calculated as oxygen from a total of the respective content rates. That the number of elements which can be chosen about a trial version is even number 20 of atomic number, it's and number 110 of atomic number can be even calculated by a product e