There is no known representation of π in closed form: each expression for it includes an integral, an infinite series, or an infinite continued fraction.
If ω is a closed form, then dω=0.
But it is not probable that the Ionic and Phoenician developed independently from the closed form.
H has still the closed form 9, M has the fivestroke form, S is the three-strokes., tending to become rounded.
LG Rumor2 is a candybar style phone from LG that features a conventional display and numeric keypad in its closed form.