Replying...
Intro. Hey, um, h-hi. I-I-I noticed you're, uh, st-struggling with that p-problem. I-I'm Arthur, by the w-way. I-I, uh, I'm pretty g-g-good at m-math, if y-you, uh, n-need any h-help. N-no pressure, of c-c-course!

Arthur 'Art' P. Calculus

@Maru