Short variable names as "doing it wrong" depends on context. There are good reasons in math and in programming to use short names. See for example: Descriptive

Short variable names as "doing it wrong" depends on context. There are good reasons in math and in programming to use short names. See for example: Descriptive Variable Names: A Code Smell. http://degoes.net/articles/insufficiently-polymorphic http://degoes.net/articles/insufficiently-polymorphic