Matt Parker on Twitter: "We did it! We have found more false-Ï€ Casio calculations! Including the amazing 6^11/1000. People in the YouTube comments (including Smathlax and Felix Mandelbart) seem to have cracked
Casio Calculator M-28
Casio fx-115ES Plus - Natural-V.P.A.M. - Scientific Solar Calculator w/ Cover | eBay