Symbol & What do you mean? How did it come into being? Wait, I'm a rune scholar.

characters &; The earliest history can be traced back to the 1st century A.D., and the earliest is the linking of Latin et (meaning and). The earliest &; Much like the combination of e and t, with the development of printing technology, this symbol gradually forms its own style and breaks away from its original shadow. In this character, the shadow of e can still be seen, but t has disappeared. In the picture is&; The evolution of characters, in which 1 is more like its original ligature representation, 2 and 3 developed in the 4th century, and 4 to 6 developed in the 9th century. In the 18th century,&; It has evolved into a very decorative calligraphy character. Modern & Basically retained &; In the ninth century.

italics &; It is a late linking form of E and T, which is also found in modern fonts. They are the products of curve fonts in the Renaissance and look more beautiful. In the multi-loading & In the circle writing, all&; Both are written by two strokes: starting from the top, turning a big arc counterclockwise, moving upward and closing the pen into a clockwise arc; starting from the same position, writing the next stroke directly, and adding a decorative ending (as shown in the figure). In addition, in the 18th century, people often &; Followed by a lowercase c, etc(et cetera, both Latin, etc., etc.). Widely used in European languages). The word "ampersand" was first added to the dictionary in 1837. It is a linking sound of "and, per se and". & Included in any Roman font, it is frequently used in modern languages. At present, it is more widely used, in short messages and Twitter texts,&; Used to replace the word "And", which means "and" in programming languages (such as MySQL, C and C++,XML, SGML, and Basic). For example, in the song, Zhang San&; Li Si means that this song is sung by Zhang San and Li Si. This symbol is also fully used in mathematical logic.

Use

1 in HTML or SGML documents to indicate the default symbol with characters (special characters). & Amp

2 In a spreadsheet program, an operator used to insert text into a formula that describes the relationship between cells. 3 stands for and in English, and can also be read as and 4. The pronunciation of this character is "z 'da" 5&; There is also the meaning of "union". Such as "A&; Company B is the merger of two companies, A and B.. In some computer languages, such as java, it means bitwise AND operation. 7 English spelling: address fetching symbol in ampersand 8 high-level language, such as "int a=; int *p; *p=& a;” Take the address of variable a to pointer p. Two words in 9C language &; & Representation and operation such as: while ("a = = 9&; & B==5 ") means that when a=9 and b=5, the condition holds. 1 Matlab,&; Representation and operation (correspondingly, | represents or operates), but in the higher version of Matlab (such as Matlab R28b), it is also recognized that &; & How to write. In the above sense, items 3 and 5 are most commonly used. 11 In vfp database,&; Is a macro substitution function, which replaces &; And variable names such as a1="hello" a2=a1? & The a2 screen shows the result as&;

12 in Pascal,&; Is the prefix of octal integer constants, such as&; 7 means 7,&; 17 means 15, & 177 means 127. 　13 & It has also been widely introduced into artistic creation and design. Command in 14 bat,&; After that, multiple commands are executed in sequence, regardless of whether the commands are successful or not. 15 When using command buttons in Visual Basic, (&; Letter) means to set the letter as a shortcut key, such as entering "OK (&; K) "means that k is the shortcut key 16 of the" OK "event. Declaring method referenced in C++: type identifier &; Reference name = target variable name. Here, it is not an address operation, but an identification function.