#### reference.wolfram.com/language/guide/Expressions.html

**Mathematica**; Development Platform; Programming Lab; Data Science Platform; Finance Platform; SystemModeler. ... documents — can be represented as symbolic **expression**s.

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At the core of **Mathematica** is the foundational idea that everything—data, programs, formulas, graphics, documents—can be represented as symbolic **expression**s.

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In mathematics, an **expression** or **mathematica**l **expression** is a finite combination of symbols that is well-formed according to rules that depend on the context.

#### pa.msu.edu/~duxbury/MathemIntro.html

Beginner's Guide to **Mathematica**. ... **Mathematica** may be different than some programming ... Parentheses are used in **Mathematica** only to group arithmetic **expression**s:

#### mathworld.wolfram.com/Expression.html

**Expression**. SEE ALSO: Quantity. Wolfram Web Resources. **Mathematica** ...

#### mathematica.stackexchange.com/.../110238/expression-in-mathematica

**Mathematica** Stack Exchange is a question and answer site for users of Wolfram **Mathematica**. Join them; it only takes a minute: Sign up

#### library.wolfram.com/infocenter/MathSource/577

The functions in this package provide an automated way of generating Matlab m-files from **Mathematica** **expression**s.

#### bandgap.cs.rice.edu/.../public/WebPages/mathematica/MathTips.htm

These unevaluated **expression**s are considered to be algebraic **expression**s by **Mathematica** and may have unexpected side effects on some operations ...

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Non-normal **expression**s are just calls ... What exactly is a "normal **expression**" in **mathematica**? ... What is the difference between Atoms and **Expression**s in **mathematica**?

#### nhn.ou.edu/~morrison/Mathematica/TipSheets/Syntax.pdf

**Mathematica** Tips, Tricks, and Techniques Syntax Michael A. Morrison (Version 3.4: February 2, 2000) Applying computer technology is just a matter ofﬁnding