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Text File  |  1993-11-07  |  404b  |  11 lines
  1. * expand                                              internal
  2. (1) expand(y)       expands out products and positive powers in y.
  3.             expand() works only on positive integer powers.
  4. See also: factor.
  5. e.g. expand((a+b)^2) gives a^2 + 2*a*b + b^2.
  6.  
  7. (2) the switch of expansion.
  8. expand:=on       e.g. c*(a+b) to c*a+c*b.
  9. expand:=off      disable expansion, this is default.
  10. See also: expandexp.
  11.