about "arrange the order of alphabets"



Hello,

 When you get the answer of "a times b", the out put is "a
b". But this order is not always good. For example,
"E=mc^2". So, like this example, when I want to arrange
the order of terms, what do I do for it? Make a new .lisp
file?  

 And please tell me how to reply to answer mails of my
question.

Thank you,
Yosuke

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