Every input to MuPAD yields a result after evaluation by the system. The computed objects are stored internally in a history table. Note that the result of every statement is stored, even if it is not printed on the screen. You can use it later by means of the function last. The command last(1) returns the previous result, last (2) the last but one, and so on. Instead of last(i), you may use the shorter notation %i. Moreover, % is short for %1 or last (1).
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