New posts in Optional Arguments

Define function that behaves almost identically to Mathematica function

Are Mathematica commands always supposed to check that Method -> name is valid?

Optional argument that can be completely omitted?

How to write a `HeldOptional` variant of `Optional` that does not evaluate its second argument?

Functions with both optional arguments and options

How to make a customized plot function that can plot functions with optional parameter?

Version inconsistency with optional arguments: what if the default value doesn't match the pattern?

How to add Optional Sequence

Optional throws error when called from a package. Workaround?

How to speed up the plotting of B-spline curve?