All published worksheets from http://sagenb.org
solve(x^2 + 3*x + 2, x)
solve(6 - 2*(x-3) == 3 + x, x)
diff(x*csc (x^2), x)
integral(cos (2*x), x)
diff(1/2*sin(2*x), x)
def f(x): return (3 - 2*x^2) / (5*x^2 + 100*x) f(1000000)