{"product_id":"pi-von-undefined","title":"Pi","description":"Anmerkung der Shop-Redaktion: Leider liegt bei uns für dieses Buch (noch) keine Beschreibung vor.\u003cdiv class=\"aw-variant-hidden-subtitle-div\" id=\"aw-variant-subtitle-9786130045586\"\u003e\u003ch3\u003ePi (letter), Proof that ¿ is irrational, Numerical approximations of ¿,        Piphilology, List of formulae involving ¿, Leibniz formula for pi,        Chronology of computation of ¿, Wallis product\u003c\/h3\u003e\u003c\/div\u003e","brand":"Autorenwelt Shop","offers":[{"title":"Softcover - 9786130045586","offer_id":57464066015557,"sku":"9786130045586","price":136.0,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0940\/0622\/files\/e01f1dd5-a78c-4eef-afa1-68b00c7ad9bd.jpg?v=1774846562","url":"https:\/\/shop.autorenwelt.de\/products\/pi-von-undefined","provider":"Autorenwelt Shop","version":"1.0","type":"link"}