I am a bit surprised with all this commentary that no one has yet mentioned the two variants of Planck's constant - the original one in terms of cycles (turns,

I am a bit surprised with all this commentary that no one has yet mentioned the two variants of Planck's constant - the original one in terms of cycles (turns, here) and the hBar=h/(2pi) that winds up being more common. Questions like this ultimately have answers related to what formulas are most often deployed - more a sociological question than anything else.