RocaSec: A standalone GUI-based package for robust co-evolutionary analysis of proteins

UniProt ↔ PDB residue mapper

A stable “division by zero” algebra built on nilpotent extensions (dual/jet numbers). Defines a total operator 𝑥 / 0 : = 𝑥 𝜅 x/0:=xκ that preserves ring laws while carrying residue-like remnants. Includes Python library, CLI, and explainer site.

A Tcl program starts with displaying a menu for the user to choose a specific action and based on his/her action start to call the appropriate answer.