I haven't looked into the source for your project, but am curious if you are integrating any kind of existing engine/backend (Polars is what I am thinking) into it, or if that is even possible.
Not as of now. We first want to be a first class spreadsheet engine that implements 90% of Excel functions and features like array functions, LAMBDA, ...
A goal of IronCalc is to make things like integrating Polars trivial for a developer.
A goal of IronCalc is to make things like integrating Polars trivial for a developer.