👉 In the context of mathematics and computer science, a "codex" refers to a collection or database of information that is organized in a structured format. It can be used for storing and retrieving data, such as mathematical formulas, algorithms, programming codes, or other types of knowledge. The term "codex" also has a broader meaning, which encompasses any kind of structured data that is stored in an electronic format. This could include not only text documents but also images, videos, audio recordings,