@, #, $,%,& type descriptors, where @ stands for currency type, # stands for double precision, $ is a string,% is an integer,&; It is a long integer, for example: Dim a#, s$ means defining a double-precision type variable A and a string variable S as power operators, for example, 2 3 means calculating the cubic of 2 * is a multiplication operator, for example, 2*3 means calculating 2 times 3&; You can also be a conjunction operator, such as "Beijing"&; The date character of "Beijing Olympic Games" in the result of "Olympic Games" must be enclosed by the symbol "#", such as adding & or & before #8/8/2008#. O octal integer, such as&; 76 represents the octal number 76 16, preceded by&; H, if&; H76 stands for 16 hexadecimal number 76.