& It's called and, and the conjunction from Latin et (meaning and) is a logical language, which means that the two are logically indispensable, and it also means the meaning of one person and another, and is synonymous with and. Such as a&; B stands for a and b, a and b, a× b.

Character? The earliest history of & can be traced back to 1 century A.D., and it was the earliest link of Latin et (meaning and). The earliest &; It is a combination of e and t, which has evolved into a fixed combination and then evolved into a symbol. This symbol is almost the same as some et links in ancient western fonts.

Use:

1, the default symbol used to indicate the existence of characters (special characters) in HTML or SGML documents;

2. In a spreadsheet program, an operator used to insert text into a formula describing the relationship between cells.

3. Address fetching symbols in high-level languages, such as "int a = 0；; int * p； P =&A; " , which means that the address of the variable A is given to the pointer P;

4. Two&in C language; & stANDs for and operation, such as while(a = = 9 &；; & ampB==5) means that when A is equal to 9 and B is equal to 5, the condition holds;

5. In Matlab,&; Stands for AND operation (correspondingly, | stands for or operation), but in a higher version of Matlab (such as Matlab R2008b), it is also recognized how to write &.