4029.sagews

solve(x^2 + 3*x + 2, x)

[x == -2, x == -1]

solve(6 - 2*(x-3) == 3 + x, x)

[x == 3]

diff(x*csc (x^2), x)

-2*x^2*csc(x^2)*cot(x^2) + csc(x^2)

integral(cos (2*x), x)

1/2*sin(2*x)

diff(1/2*sin(2*x), x)

cos(2*x)

def f(x):
    return (3 - 2*x^2) / (5*x^2 + 100*x)
f(1000000)

-1999999999997/5000100000000