Do you know how to use a ruler, write a Date, with the yellow highligher on, rectangle it, or that would be a Pen, Blue ink pen rectangle it.

In front of ET.

There are 2 kinds of calculator. Big calculator

And a scientific calculator. You ever done a you looking at your paper, writing, and looking up, in thinking of his faces, or your multi-thoughts on that pieces of paper a math solving problem, entering a digits in whichever calculator?

You need an eye glasses? 

He is being polite, or he cannot see what you are doing?