A TI-84 meme spits out -1/12 for 1+2+3+4+…

miniapeur · x · 2026-07-23

A photo of a TI-84 Plus CE shows a long sum starting with 1+2+3+4... and the calculator returning -1/12.

It plays on the famous divergent-series meme: the calculator is not actually “solving” the infinite sum in the naive sense, but the result is a recognizable internet joke among math and CS circles.

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