>>116949Equation for a circle:
x^2 + y^2 = r^2
Equation for a squircle:
x^4 + y^4 = r^4
Thus, the simplest and best equation for a square, no abs necessary
x^inf + y^inf = r^inf
Of course, this only applies for even infinities, odd infinities result in just the upper right half of the square, if there is such a thing