Looking at the Paladin and Ranger experience charts, it looks like something's a bit off.
In AD&D, all characters generally require much more XP post-name level to advance. For example, in B/X the fighter requires 120,000 XP per level, whereas in AD&D, he requires 250,000.
I bring this up, because in AD&D, the Ranger requires 325,000 XP to level. In AEC (which assumes the B/X rate), she requires 120,000 XP. This is the same rate as the B/X fighter, despite having all of the fighter's abilities (and then some) and despite requiring more in the game from which she is derived. Conversely, the Paladin requires quite a bit of XP in AEC: 220,000, whereas in AD&D he needs 350,000 XP. Proportionately speaking, by my reckoning the Ranger should require roughly 150,000 XP and the Paladin 170,000 (again, these are fairly rough).
Am I missing something here? Thanks!
EDIT: Got my facts wrong on the Paladin XP first time through. Fixed!