Result can be see in the picture below. 
On the right down is list of materials which have contents of setting elements
in the toleration - table on left up.
From menus was choosed the material "1.6523".
On the left down is the table with chemical composition of this material.
In this sample we selected country  "Deutschland". From menu on the right was choosed
three elements and in the following was picked out way of enter elements.
Now we shall be enter three elements - 0.2 % C, 0.95 % Mn and 0.75 % Cr. On demonstration you can see manner of enter the carbon. Then we choose searchings precision  from menus on the right  medium.