Math Notes Calculus Ii [upd] | Paul's Online
It was 11:47 PM. The problem set was due at 8:00 AM. Problem 4 had already reduced him to a whimpering mess.
The fluorescent lights of the library hummed a low, funeral dirge. Across the scarred wooden table, Leo’s Calculus II textbook lay open to a page titled “Trigonometric Integrals.” To Leo, the page looked less like mathematics and more like a form of abstract art—a Jackson Pollock of integral signs, sines, cosines, and the dreaded power-reducing formulas. paul's online math notes calculus ii
And it saved his life.
The last section, “Series & Sequences,” had a little note from Paul in italics: “This is the hardest chapter. Don’t say I didn’t warn you.” It was 11:47 PM

