Arithmetic Theoria Et Praxis is a comprehensive treatise on arithmetic by André Tacquet, written in Latin. This work presents both the theoretical underpinnings and practical applications of arithmetic, making it suitable for students and scholars alike. Originally published in the 17th century, it offers insights into the mathematical knowledge and pedagogical methods of the time. Tacquet's clear and systematic approach covers a wide range of topics within arithmetic, solidifying its place as a valuable historical resource.

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