@abakcus
This reminds me of how many of my physics and engineering profs would allow students to bring one 8.5βx11β sheet of notes to final exams. I tell you some of the sheets I made were works of art π
@abakcus
The hard part is knowing what they mean and when/how to use them. Like, when do you use dsin\theta = m\lambda and when do you use 2dsin\theta = m\lambda ??