The definition, which can use the variable "x" for explicit, "y" for inverse, "O" for polar, "t" for parametric curve, "s" and "t" for parametric surface, and "x" and "y" for multivariable
Optionaltype: "expl" | "inve" | "pola" | "curv" | "surf" | "mult" = "expl"The type, which can be "expl" for explicit, "inve" for inverse, "pola" for polar, "curv" for parametric curve, "surf" for parametric surface, or "mult" for multivariable
Defines an explicit, inverse, polar, parametric curve, parametric surface, or multivariable function.