lim csub{h toward 0} lim from {h toward 0}%theta {alignc {..} over ..}left[ .. ]_a ^b{infinity}a_1 bslash%tendto%elementmatrix{a # "="b ## {} # "="c}%notequal
On formula right click > anchor to character
right click > object > Wrap > Through
to have formula float and move accross pages.