diff(x^2+3*x+1);

diff(x^2+3*x+1, x);

	diff(diff(x^2+3*x+1, x),x);

diff(x^2+3*x+1, x, 2);

laplace (x^2+3*x+1, x, s);

x^2+3*x+1;

wxplot2d([%i6, diff(%i6,x)], [x,-5,5])$

diff(y^2+x^2);