Why is the multiplication sign of the mobile phone not in the symbol?

Every mobile phone has its own input method, and Huawei is no exception. If you want to find multiplication and division, you can click the symbol key above the input method, and then drop down the grid next to it. Usually there are symbols in English, Chinese, mathematics and other categories below, and you can easily find the multiplication and division number by clicking the mathematical symbol key. After opening the dialog box of input method, there is a column of symbols. If it is not, * means multiplication and/means division.

163 1 year, the British mathematician William Oughtred expressed two numbers multiplied by "X" for the first time in his book Clavis Mathematicae, which became more and more popular. In the letter 1698 to johann bernoulli on July 29th, Leibniz proposed to use the dot "x" to represent multiplication, in case "x" is confused with the letter "x".

It is quite popular to use ""to represent multiplication. At present, schools in continental Europe (Germany, France and other countries) stipulate that ","is a multiplication sign. Other countries use "×" as multiplication sign and "×" as decimal point. Our country stipulates that "×" or "×" can be used as a multiplication sign, and the multiplication sign before letters or brackets can be omitted.