WolframAlpha search engine WolframAlpha is a privately owned search engine that allows you to “compute expert-level answers using Wolfram’s breakthrough algorithms, knowledgebase, and Détiens technology.”
Microsoft's free remarque-taking app is, acc https://telegra.ph/Quelle-est-la-différence-entre-une-charpente-traditionnelle-et-une-fermette-06-28