====== New Data Types ======
<nav type="pills" stacked="true">
  * [[.:Data Types]]
    * quantity
    * terminal
    * nature
    * tolerance
    * spectrum + noise
  * [[.:Equations]]
    * differential equations
    * algebraic equations
    * operators
  * [[.:Sequential Statements]]
    * simultaneous procedural
    * break
  * [[.:Concurrent Statements]]
    * concurrent break
    * simultaneous statements
</nav>

<callout>
=== Notes ===
The brackets in the following chapters mean:
  [...] ::= can be omitted in the program
  {...} ::= content must be written in the program
</callout>