1. Getting Started

Legal Notice, Disclaimer, and Book Ordering Information:

Null

Setup

\(Clear["Global`*`"]; 
Off[General::spell]; 
Off[General::spell1]; 
    \)

1.4 Miscellaneous

1.4.1  Packages

Note: The package Trigonometry is obsolete, so use FiniteFields instead.

Needs["Algebra`FiniteFields`"]

?Algebra`FiniteFields`*

?FieldExp

!! Algebra`FieldExp`

1.4.2  Contexts

Contexts[]

Context[FieldExp]

Context[dummy]

Clear["Global`*"]

Clear["Algebra`FiniteFields`*"]

Context[FieldExp]

1.4.3  Protecting Commands

\(dummy[x_] = x; 
Protect[dummy]; 
Context[dummy]\)

Clear["Global`*"]

Context[dummy]

?dummy