Arithmetic

Arithmetic is an elementary branch of mathematics that deals with numerical operations like addition, subtraction, multiplication, and division. In a wider sense, it also includes exponentiation, extraction of roots, and taking logarithms. Arithmetic systems can be distinguished based on the type of numbers they operate on. Integer arithmetic is about calculations with positive and negative integers. Rational number arithmetic involves operations on fractions of integers. Real number arithmetic is about calculations with real numbers, which include both rational and irrational numbers. Another distinction is based on the numeral system employed to perform calculations. Decimal arithmetic is the most common. It uses the basic numerals from 0 to 9 and their combinations to express numbers. Binary arithmetic, by contrast, is used by most computers and represents numbers as combinations of the basic numerals 0 and 1. Computer arithmetic deals with the specificities of the implementation… Read by NamelessSpeaker. Recorded August 24, 2026; the article may have changed since. The article as it stood when recorded: https://en.wikipedia.org/w/index.php?oldid=1370224869 Article today: https://en.wikipedia.org/wiki/Arithmetic Original recording: https://commons.wikimedia.org/wiki/File:En-Arithmetic-article.ogg License: CC BY 4.0 (https://creativecommons.org/licenses/by/4.0). This episode is a format-shifted (MP3) copy redistributed under the same license. Chapter images come from the recorded article via Wikimedia Commons; each chapter links its file page for credits. This show is an independent community project, not affiliated with or endorsed by the Wikimedia Foundation.