# Arithmetical Wonderland by Andy Liu

By Andy Liu

Arithmetical Wonderland is meant as an unorthodox arithmetic textbook for college students in straightforward schooling, in a contents direction provided via a arithmetic division. The scope is intentionally limited to hide purely mathematics, although geometric components are brought each time warranted. for instance, what the Euclidean set of rules for locating the best universal divisors of 2 numbers has to do with Euclid is showcased. Many scholars locate arithmetic a little daunting. it's the authors trust that a lot of that's prompted no longer through the topic itself, yet via the language of arithmetic. during this publication, a lot of the dialogue is in dialogues among Alice, of Wonderland status, and the twins Tweedledum and Tweedledee who hailed from in the course of the having a look Glass. the lads are studying excessive mathematics or trouble-free quantity thought from Alice, and the reader is carried alongside during this educational exploration. therefore many formal proofs are switched over to soothing daily language. however, the e-book has significant intensity. It examines many arcane corners of the topic, and increases relatively unorthodox questions. for example, Alice tells the twins that six divided by means of 3 is 2 merely due to an implicit assumption that department is meant to be reasonable, while equity doesn't come into addition, subtraction or multiplication. a few themes frequently no longer lined are brought fairly early, akin to the recommendations of divisibility and congruence.

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