1.2 Notation

In this manual, we shall use several notations, which is described here

• The name of a function is written in a typewriter type
  gcd(), gr()
• For the description of a function, its argument is written in a slanted type.

  int, poly

• A file name is written in a ‘typewriter type with single quotes’
  ‘dbxinit’, ‘asir_plot’
• An example is indented and written in a typewriter type.

  [0] 1;
  1
  [1] quit;
  

• References are made by a typewriter type bracketed by [].
  [Boehm,Weiser]
• Arguments (actual parameters) of a function are optional when they are bracketed by []’s. The repeatable items (including non-existence of the item) are bracketed by []*’s.
  setprec([n]), diff(rat[,varn]*)
• The prompt from the shell (csh) is denoted, as it is, by %. The prompt, however, is denoted by #, when you are assumed to be working as the root, for example, at the installation.

  % cat afo
  afo
  bfo
  % su
  Password:XXXX
  # cp asir /usr/local/bin
  # exit
  %
  

• The rational integer ring is denoted by Z, the rational number field by Q, the real number field by R, and the complex number field by C.

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