Galley Division
In arithmetic, the galley method, also known as the batello or the scratch method, was the most widely used method of division in use prior to 1600. The names galea and batello refer to a boat which the outline of the work was thought to resemble.
An earlier version of this method was used as early as 825 by Al-Khwarizmi. The Galley method is thought to be of Arab origin and is most effective when used on a sand abacus. However, Lam Lay Yong's research pointed out that the Galley method of division was originated in ancient China.
The galley method writes fewer figures than long division, and results in interesting shapes and pictures as it expands both above and below the initial lines. It was the preferred method of division for 17 centuries longer than long division's 4 centuries.
Read more about Galley Division: How It Works, Modern Usage, Origin
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