read `PureRec.txt`: ra:=rand(-100..100): print(`The following are five random examples of pure scheme of the Taylor coefficients of functions with two variables`): for i from 1 to 5 do R:=1/(1+ra()*x[1]+ra()*x[2]+ra()*x[1]*x[2]+ra()*x[1]^2+ra()*x[2]^2)^(1/3): print(``): print(`---------------------------`): print(``): SchemeV(R,2,x): od: quit: