Yes this is what I wanted. Now I can put all data sets and count series, where t varies from 0 to x. Then I rewrwrite series to paper and put t into series as a number I get concentration at the certain point of time for data set (S0, Km, v). Thank you very much. 

Yes this is what I wanted. Now I can put all data sets and count series, where t varies from 0 to x. Then I rewrwrite series to paper and put t into series as a number I get concentration at the certain point of time for data set (S0, Km, v). Thank you very much.