What juiceandjuice said. The transition costs (in terms of re-educating people and re-writing text books) is far too high for the moderate benefit of bending our notation to the limitations of 2012 computers. Instead, this problem will be solved by things like mathematica, tablets, and the math handwriting recognition software which appeared on HN the other day:

http://webdemo.visionobjects.com/equation.html?locale=defaul...