User blog:Plain'N'Simple/Letter Notation Up to Z: Outline and mnemonics

As promised, here is the (insanely over-ambitious) outline of the future letter notation. At present, anything above P is just a rough guideline. Those functions haven't been defined yet!

Numbers given in Knuth-Arrows or Bird Arrays (the Douglas Shamlin version). Numbers up to Pn are exact. Value for Qn is approximate. Values for Rn and beyond are very rough approximations)

