The built-in data is for a 3 component system with one reaction:
A + B = C
where A, B and C are species 1..3 and conversion is 0.85 of A. A fraction 0.9 of reactants is recycled along with 0.01 of product.
Click `Convert', `Get Solver' then `Send Equations'.
Click `Solve' on the solver window which will pop up.
Click `Display' to bring back the results and display in tabular form.