Sui libri di testo per l'aritmetica nelle scuole elementari. Si cimenta con considerazioni pedagogiche nientemeno che il grande matematico Giuseppe Peano, in un breve saggio che si può scaricare gratis, in pdf, da:
Il compagno. Romanzo di Cesare Pavese, con cui vinse il Premio Salento 1947, è solo una delle molte opere di Pavese digitalizzate e disponibili, gratis, in pdf sul sito. Questa in particolare si trova qui:
@DrSaucy @oantolin The textbook publishers are in bed with the university department heads to get them to require students to buy their textbook for their classes. They also make sure to reduce the amount of time that the book can be used in classes by releasing a new edition every year or two. The difference between the editions are usually just a few different exercises, maybe a chapter gets moved, nothing substantial
Lo and behold, these are very likely gonna be my new sleeve tattoos. A, D & K to left arm, and L, C & B to right arm. With just the left arm alone I can do logs and square roots, with the right arm I can do cube roots, and then combining left and right I can use them as a slide ruler to multiply and divide. #maths #math #mathematics