Take the 2-minute tour ×  Basic problems are often written as:
--      <-- Is there a name for this?  share|improve this
question All things considered, most things don't have names.
For example, is there a name for the choice of using a column to
indicate addition instead of a row (3 + -2 = 1)? Also, there are
many things that we are familiar with that have names, but we
(i.e., most people) don't know. For example, do you know the
name of the bone from your elbow to your wrist? Neither do I. – 
Hexagon Tiling Feb 15 '12 at 12:16 I know this is not the point,
but there are two bones in the forearm, and they are called the
radius and the ulna. Doesn't every schoolchild learn that in
basic biology? –  nohat Feb 16 '12 at 5:51  3 Answers 3  up vote
1 down vote accepted  An underline. See:
http://en.wikipedia.org/wiki/Addition#Notation_and_terminology
share|improve this answer Although I believe it to be a
technicality, as it appears that the answer is that there is no
given name specific to this item, given th