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@BraddrofliT I've just googled this (e.g. https://t.co/9ykHVEcJZo) and ... not a cheap gift, apparently! (I got it from a math prof clearing out his office.) https://t.co/316yw9yitW
@BraddrofliT I've just googled this (e.g. https://t.co/9ykHVEcJZo) and ... not a cheap gift, apparently! (I got it from a math prof clearing out his office.) https://t.co/316yw9yitW
RT @Paul_Painleve: 円周率について,ちょっと突っ込んだ歴史を知るには,原典を書いた次の本を見ると良い。Eulerに先駆けてJonesがπという文字を使っていたことなどもわかる: Berggren, J.L., Borwein, Jonathan, Borwei…
RT @wingcloud: 関や建部の仕事も入れて欲しいところ https://t.co/D1jM6d5iX6