Rules for Naming a Variable

1-     A Variable name cannot be more than 40 characters.

2-     The name of Variable may contain alphabets (both lower case and upper case) numbers and decimal points.

3-     The first character in name of Variable must be an Alphabet.

4-     Key /Reserved words of BASIC cannot be used as Variables.

5-     Blank space is not allowed in names of Variables.

6-     Last character of variable name should indicate the type of variable.