_C_ might be still preferred in some cases (like: embedded systems?): - https://stackoverflow.com/questions/497786/why-would-anybody-use-c-over-c - https://www.quora.com/Why-is-C-still-in-use-even-though-we-have-C++-Is-there-anything-that-C-can-do-but-C++-cant-or-maybe-something-that-is-easier-to-do-in-C-rather-than-C++ Consider implementing another version of _Hypercomplex_, just for low-level optimisation.