Power refers to the result of power operation. Power does not conform to the associative law and commutative law. Power refers to the cloth that covers things. In mathematics, "power" is the result of power, and the expression of power is realized by adding the form of goal to a number, so it is like "covering a scarf" on a number.

The origin of power

It is said that in 263 AD, the word power first appeared in mathematical literature. Perhaps the shape of the towel is square, so Liu Hui made a note for "Nine Chapters Arithmetic" in that year, and wrote under the rule of finding the rectangular area in the chapter of "Square Field": "This product is called the field power, and all areas are multiplied by it (the product of length and width is called the power)". In other words, the area of a rectangle is called a power.

In 656 AD, Li attached great importance to Nine Chapters Arithmetic, and pointed out in the ninth chapter of Pythagoras that power is the square of an edge. At this time, the rectangle becomes a square, and the mathematical term "power" is used as the square of the area equal to the side length. In a.d. 1607, Matteo Ricci (1552- 16 10), an Italian, and Xu Guangqi (1562- 1633), a China, jointly translated Euclid's Elements of Geometry. Of course, two powers are "squared powers" and multiple powers are also called "powers".