Put me in the "most boring interests ever" category, but I'd be interested in a discussion of the actuarial modeling DSL mentioned in link if said write up exis

Put me in the "most boring interests ever" category, but I'd be interested in a discussion of the actuarial modeling DSL mentioned in link if said write up exists. I imagine actuaries are about the most technical "nontechnical" users there are so a DSL seems a particularly good fit.