function [y] = Euler()
    y = 5;
    x = 0;
    h = 0.1;

    fxy = 3.5 * x * y + 2 * x - 1.5;
    dy = h * fxy;

    for i = 0:5
      y = y + dy;
      x = x + h;
      fxy = 3.5 * x * y + 2 * x - 1.5;
      dy = h * fxy;
    end
end