Why do I just picture a poor jc student using a random gong cha bag to solve their assignment halfway during their shift and some other guy just took it when they were not looking...

row by row: formula for surface area calculation, formula for integration by parts taylor series expansion (light pink), pythagorean identity (the yellow), pythagorean theorem gradient of a three dimensional function, the curl operator mostly calculus stuff

I love gong cha

Driver must be studying for a multivariable and vector analysis exam