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mathematics - How did the obelus ÷ come to stand for division ...
The obelus ÷ represents division on calculator keyboards, and sometimes in elementary education. It has a long non-mathematical history starting before 200 BC. Its earliest use as a symbol for divi...
Recently Active 'mathematics' Questions - History of Science and ...
The obelus ÷ represents division on calculator keyboards, and sometimes in elementary education. It has a long non-mathematical history starting before 200 BC.
mathematics - How long has the order of priority of arithmetical ...
but for how long has PEMDAS been widely taught in high school mathematics classes? I assume this will differ for different parts of the world, so please include what countries or regions you can speak …
Newest 'notation' Questions - Page 3 - History of Science and ...
The obelus ÷ represents division on calculator keyboards, and sometimes in elementary education. It has a long non-mathematical history starting before 200 BC.