333.sagews

integral(e^(-2*x)*sin(2*x),x);

\frac{{{e}^{-{2 x}} \left( {-2 \sin \left( {2 x} \right)} - {2 \cos \left( {2 x} \right)} \right)}}{8}

integral(x^3*ln(x),x,1,e)

\frac{{3 {e}^{4} }}{16} + \frac{1}{16}

plot(x^3,x,-5,5,color='red')+plot((x-1)^3,x,-5,5,color='green')+plot((x-2)^3,x,-5,5,color='blue');