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 Dec1 comment Concerning the problem of finding the number of invertible nxn random {1,0} matrcies I have, but I was wondering why can't we figure out an explicit solution (as opposed to finding the bounds) just like we have already for matrices over finite fields. Nov29 asked Concerning the problem of finding the number of invertible nxn random {1,0} matrcies Nov18 awarded Critic Nov4 comment Stirling numbers of the second kind — a series-expansion typo? Damn, you're right. I've been jumping between books as of late and it was only a matter of time before I forgot about some of his notation. And yes, it's been an amazing book so far. Every other page reminds me of those "one weird trick" scams except I am left satisfied. Nov4 accepted Stirling numbers of the second kind — a series-expansion typo? Nov4 awarded Editor Nov4 revised Stirling numbers of the second kind — a series-expansion typo? fixed a latex typo Nov4 asked Stirling numbers of the second kind — a series-expansion typo? Jul22 accepted Integrating 1/x Jul22 comment Integrating 1/x Sorry, I meant the constant term in the result of the indefinite integral. So in this case, $\ln |{a}|$ Jul22 comment Integrating 1/x Ah. Now I have another question I just realised I've never asked: can I just drop all our constant terms in our indefinite integral? Jul22 asked Integrating 1/x Jun5 awarded Student Jun5 awarded Scholar Jun5 comment Differentiable functions without an antiderivative Can you explain? I hate to be misinformed on the history. And on a side note Risch's algorithm would be solution , though I was hoping for something simpler... Jun5 accepted Differentiable functions without an antiderivative Jun5 awarded Supporter Jun5 comment Differentiable functions without an antiderivative Yeah that's what I meant. I guess the follow up is, can we easily figure out when a function has no antiderivative? In your case of antifoiling it's easy to figure out, but say with the Gaussian integral, I honestly wouldn't have known that it was integrable with Gauss' good help. Jun4 asked Differentiable functions without an antiderivative