👉 Botswana mathematics, often referred to as "Botswana number system" or "Botswana numerals," is a unique positional notation system developed in the early 20th century to simplify and standardize mathematical notation within the country. Unlike the traditional Arabic numeral system (base-10), Botswana uses a base-20 (decimal) system, which is influenced by the country's cultural and historical ties to African traditions. In this system, each digit's place value is determined by powers of 20, with the rightmost digit representing \(20^0\), the next \(20^1\), and so on. For example, in the number 1234 (Botswana), 1 represents \(20^3\), 2 represents \(20^2\), 3 represents \(20^1\), and 4 represents \(20^0\). This system makes calculations more intuitive for those familiar with base-20 counting, such as some indigenous African cultures. However, it has largely been replaced by the more widely adopted decimal system in educational settings and international contexts.