Use math notation where appropriate

[ISSOtm]

Math notation support using MathML will be merged as part of #350.

Once that's done, complex math notation should be rendered using that when inline text is hard to read; compare:

It's clear that math notation is preferable as soon as there is special notation (powers, fractions, indices, etc.), but should it be preferred for inline text as well? Example:

pandocs/src/OAM.md

Lines 88 to 90 in ae89342

	sure to set their Y coordinate to Y = 0 or Y ≥ 160
	(144 + 16).
	(Y&nbsp;≤&nbsp;8 also works if [object size](<#LCDC.2 — OBJ size>) is set to 8x8.)