If you change the x-axis to be roughly the same range as on graph.tk, it turns out like this: http://www.wolframalpha.com/input/?i=d%2Fdx%28sin%28x*x%29+%2B+lo

If you change the x-axis to be roughly the same range as on graph.tk, it turns out like this: http://www.wolframalpha.com/input/?i=d%2Fdx%28sin%28x*x%29+%2B+log%28x+%2B1+%29%29+x%3D-300..300 http://www.wolframalpha.com/input/?i=d%2Fdx%28sin%28x*x%29+%...