6.1. Constants, Functions, Operators, mathematical expressions

6.1.1. Fortran Syntax
6.1.2. SQL Syntax
6.1.3. Constants
6.1.4. Operators
6.1.5. Functions
6.1.6. Examples
6.1.6.1. Example 1
6.1.6.2. Example 2
6.1.6.3. Example 3
6.1.6.4. Example 4

Constants, functions and operators can be used at different levels:

Many logical and mathematical expressions can be formed using the Fortran programming language and SQL syntax.