The letter U very closely resembles the function f(x) = x² or in general any parabola function (x4, x6 etc.).
It will be a piece of paper in an envelope most likely.
A QWERTY keyboard's name comes from reading the first six keys in the top left letter row. It is also the most common keyboard layout.
what do you look like?
the nucleus
the testicle
the testicle
Most of the big name brands will all allow you to perform these functions. Take a look at products from reputable brands like Pioneer, Alpine, Clarion and the like.
most look like a small jet engine
sdfseefs
In most junior school work it will look like the letter x. Computers, though, use the asterisk (star) symbol, *. In college or university mathematics you are more likely to use the full stop: as in a.b
Pirates like the letter R, while sailors in general love the C.
Girls just like to have a look. Like when we look at other women most of the time.