Table 3 Matching Description Data type A sequence of characters and can include letters, digits, punctuation and whitespace. They are used for non-numeric data (although they can contain numbers). You cannot perform a mathematical equation on this data type. Used for numbers that have decimal points (fractions) where a mathematical equation may be required. The term means there are no fixed number of digits before or after the decimal point. They may be positive or negative numbers. Used for whole numbers (no decimal point) where a mathematical equation may be required. They may be positive or negative numbers. A data type that has one of two possible values (usually true and false). It is usually used with conditional statements (such as if) and comparison operators, such as or