My point is that his clever arithmetic, even if his fingers were crossed behind his back, can do real damage to his less sophisticated audience.

FORBES: Million Dollar Jobs

And while computers were ideal for streamlining tedious dice rolls and arithmetic, those, for him, were never the point.

ECONOMIST: Gary Gygax

This may or may not actually be true but what I want to point to is the seeming ignorance even of basic arithmetic that the piece reveals.

FORBES: Can Robert Reich Actually Do Arithmetic? Apologies, But Yes This Is A Serious Question

Most of the debate has concentrated on their long-term arithmetic: they think that Japan's population is bound to stabilise at some point, perhaps around 2060, and that Japan will therefore be able to ease the demographic transition by spreading the costs over the course of a century or more.

ECONOMIST: Japan