The origin of division symbol The division symbol "∫" used in division operation is called Rennes symbol because it was first used in an algebra book published by Rennes, Sweden in 1659. 1668, his book was translated into English and published, and this symbol is popular today.

Division symbol, mathematical symbol, is a symbol composed of a short horizontal line and two points on both sides of the horizontal line, which is mainly used to represent division operation in mathematics. Division can be applied to many fields such as mathematics, physics and chemistry.

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Today's division sign is called the Lahn symbol, which was quoted as a division sign in an algebra book published by Swiss J.H. Rehn in 1659. By 1668, the English version of his book became popular and has been in use ever since. In addition, Leibniz used the colon ":"for the first time in one of his papers "On Art Combination", which later became popular and is still in use today.

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