Patterns (Mathematica Overview)

Introduction Finding Expressions That Match a Pattern Naming Pieces of Patterns

Running Mathematica (Mathematica Overview)

The Structure of Mathematica Notebook Interfaces Using a Text-Based Interface

Testing and Verification (Mathematica Tutorial)

Every version of Mathematica is subjected to a large amount of testing before it is released. The vast majority of this testing is done by an automated system that is written ...

The Mathematica System (Mathematica Overview)

Getting Used to Mathematica Differences between Computer Systems The Limits of Mathematica

Basic Internal Architecture (Mathematica Tutorial)

Internal representations used by Mathematica. When you type input into Mathematica, a data structure is created in the memory of your computer to represent the expression you ...

\[Continuation] (Mathematica Character Name)

Unicode: F3B1. Alias: Esc cont Esc. Structural element. Used at the end of a line of input to indicate that the expression on that line continues onto the next line. ...

\[ExponentialE] (Mathematica Character Name)

Unicode: F74D. Alias: Esc ee Esc. Letter-like form with built-in value.  is interpreted by default as the symbol E, representing the exponential constant.

\[ImaginaryI] (Mathematica Character Name)

Unicode: F74E. Alias: Esc ii Esc. Letter-like form with built-in value.  is interpreted by default as the symbol I, representing Sqrt[-1].

\[ImaginaryJ] (Mathematica Character Name)

Unicode: F74F. Alias: Esc jj Esc. Letter-like form with built-in value.  is interpreted by default as the symbol I, representing Sqrt[-1]. Used in electrical engineering.

\[Infinity] (Mathematica Character Name)

Unicode: 221E. Alias: Esc inf Esc. Letter-like form with built-in value. ∞ is interpreted by default as the symbol Infinity.