alpha A A | beta B B | gamma \ \ GAMMA G G | delta D D | DELTA W W epsilon S S | zeta Q Q | eta N N THETA T T | theta O O | lambda L L LAMBDA E E | mu M M | nu @ @ xi X X | pi J J | PI P P rho K K | sigma Y Y | SIGMA R R tau I I | phi U U | PHI F F psi V V | PSI H H | omega C C OMEGA Z Z | nabla [ [ | not _ _ partial ] ] | integral ^ ^