(1) Integer:

Integer between -32768 and 32767, for example: 10 1 10 20.

② Dragon:

Represents an integer between -2,147,483,648 and 2,147,483,647.

For example, long integer writing: 23454444554

(3) single:

The number of significant digits is 7, representing a real number between -3.37E+38 and 3.37E+38.

(4) Double:

The valid number is 15 digits.

(5) Character type (string)

In VB, a string constant is a string of characters enclosed in double quotation marks, such as "ABC", "abcdefg", "123", "0" and "VB programming".

(6) Logical type (Boolean type)

Logical type, also called Boolean type, has only two values: true and false.

(7) Date type (date)

Represents the date and time.

Enclose date and time values with two "#" symbols, such as #08/20/200 1#, #200 1-08-20#