hi there , recently we had a chemistry class ,in which we were required to copy down some eqautions and work on it as our home work , but me the wise guy took out my camera cell and clicked a picture of the equation .well later i moved it to my computer but now i cannot make what was that i actually clicked ., and i deleted the picture from my cell .so is there any way that i can enhance the picture??
i use a sony erricson k 700i,

and not only for that i also want to enhance the pictures i take of my friends, the resolution is low and the picture is too small. is there no way that i can make it at least a normal size one.any s/w available for that?