10.2. Constants, Functions, Operators, mathematical expressions

10.2.1. Fortran Syntax
10.2.2. SQL Syntax
10.2.3. Constants
10.2.4. Operators
10.2.5. Functions
10.2.6. Examples
10.2.6.1. Example 1
10.2.6.2. Example 2
10.2.6.3. Example 3
10.2.6.4. 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.