His friend Maya, camped out two seats away with a statistics textbook, didn’t look up. “Did you try the thing? The website?”
He smiled. He could hear Paul’s voice in his head: “Alright, let’s work an example. This is a classic integration by parts problem. You’re going to let u = x^3 and dv = sin(x) dx. It’s going to take three passes, but you’ve got this.” paul's online math notes calculus ii
“Okay, let’s just calm down and think about this,” the notes seemed to say. “We’ve got an odd power of sine. Remember the strategy? Pull one factor off. Use the identity. Lather, rinse, repeat.” His friend Maya, camped out two seats away
“It’s impossible,” he whispered to his coffee cup, which had been empty for two hours. “I don’t speak Greek. I barely speak English anymore.” He could hear Paul’s voice in his head:
And somewhere in a server farm in Texas, a silent, static HTML page continued to save the next generation of lost students, one trig integral at a time.