fricas
(1) -> )clear all
All user variables and function definitions have been cleared.
variables (2*x+1/x)$DMP([x], EXPR INT)
fricas
variables (2*y+1/y)$DMP([y], INT)
There are 4 exposed and 7 unexposed library operations named
variables having 1 argument(s) but none was determined to be
applicable. Use HyperDoc Browse, or issue
)display op variables
to learn more about the available operations. Perhaps
package-calling the operation or using coercions on the arguments
will allow you to apply the operation.
Cannot find a definition or applicable library operation named
variables with argument type(s)
Fraction(Polynomial(Integer))
Perhaps you should use "@" to indicate the required return type,
or "$" to specify which version of the function you need.
Possible Explanations: see SandBoxPolynomialQuizExplained