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yacas

 
Yet Another Computer Algebra System. More information: http://www.yacas.org.
 
  • Start an interactive yacas session:
     
    yacas
     
  • While in a yacas session, execute a statement:
     
    {{Integrate(x)Cos(x)}};
     
  • While in a yacas session, display an example:
     
    {{Example()}};
     
  • Quit from a yacas session:
     
    {{quit}}
     
  • Execute one or more yacas scripts (without terminal or prompts), then exit:
     
    yacas -p -c {{path/to/script1}} {{path/to/script2}}
     
  • Execute and print the result of one statement, then exit:
     
    echo "{{Echo( Deriv(x)Cos(1/x) );}}" | yacas -p -c /dev/stdin

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