The other day my wife suggested the idea of KenKen “with letters.”
There’s probably an idea in there related to anagrams, somehow; but the first idea that popped into my
head was to use Roman numerals. Here’s a “really Latin square” for you to solve:

Authored by Arthur O'Dwyer, Quuxplusone offers  explorations of C++ programming language features, standard library design, and modern C++ development practices. Readers can delve into advanced topics such as template metaprogramming, design patterns, and effective use of language features. Additionally, they can learn about best practices for writing efficient and maintainable C++ code, optimizing performance, and leveraging the latest language standards.

Arthur O'Dwyer

A puzzle creator shares a unique KenKen variant using Roman numerals (C, L, X, V) instead of regular numbers. The 4×4 grid puzzle requires filling cells so each numeral appears once per row and column, with caged regions summing to specific values. The puzzle uses only addition operations and includes two unlabeled cages, making it a creative twist on the traditional logic puzzle format.

KenKen with Roman numerals