we are moving forward steadily :) https://github.com/marcinjangrzybowski/cubical-bis/blob/inte... (see table in the middle of doc) mind, that it is fully constructive implementation, you can get arbitrary precision aproximation to every real expression. for now WIP, but soon will be aviable in cubical-library :) also our related TYPES2026 presentation: https://types2026.cse.chalmers.se/slides/51.pdf