read `PureRec.txt`: ra:=rand(-100..100): print(`The following are five random examples of pure scheme of the Taylor coefficients of functions with one variable`): for i from 1 to 5 do R:=exp(add(ra()*x[1]^j,j=1..4)): print(``): print(`---------------------------`): print(``): SchemeV(R,1,x): od: quit: