Wolfram alpha integration
So you could reference all of what wolfram alpha can do as well as do conversions, reference info, as well as improving the math functionality with quick ability to do conversions and references that wolfram offers. So you could select a math expression for example or an ip address, or unit of measurement and be able to solve, convert, plot, subnet, and reference data. With the ability to search wolfram or have GoodNotes just be able to recognize data from notes and be able to do math and solve conversions and such.