A German group developed a new keyboard layout, called neo (similar to the [Dvorak layout][1]), which is optimized for German words, but also for English.

This layout has six layers; layer 5 is for Greek chars and layer 6 is for math symbols.

You can check their website: http://www.neo-layout.org (in German; you can also consider the [English translation of the site by Google][2]).


  [1]: http://en.wikipedia.org/wiki/Dvorak_Simplified_Keyboard
  [2]: http://translate.google.de/translate?hl=de&sl=de&tl=en&u=http%3A%2F%2Fwww.neo-layout.org