Like you mention, I invent names, though not quite arbitrarily. '⊙' looks like an 'oh-dot' to me, and '⊗' is just 'cross'. Algebra classes are full of such ope

Like you mention, I invent names, though not quite arbitrarily. '⊙' looks like an 'oh-dot' to me, and '⊗' is just 'cross'. Algebra classes are full of such operators, and usually my instructors were kind enough to give them names during lectures.