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<!DOCTYPE book PUBLIC "-//OASIS//DTD DocBook V4.1//EN" [
<!ENTITY tour SYSTEM "tour/tour.sgml">
<!ENTITY invoke SYSTEM "basics/invoke.sgml">
<!ENTITY command SYSTEM "basics/command.sgml">
<!ENTITY variables SYSTEM "intro/variables.sgml">
<!ENTITY expressions SYSTEM "intro/expressions.sgml">
<!ENTITY statements SYSTEM "intro/statements.sgml">
<!ENTITY functions SYSTEM "intro/functions.sgml">
<!ENTITY io SYSTEM "builtins/io.sgml">
<!ENTITY math SYSTEM "builtins/math.sgml">
<!ENTITY strings SYSTEM "builtins/strings.sgml">
<!ENTITY copying SYSTEM "advanced/copying.sgml">
<!ENTITY namespaces SYSTEM "advanced/namespaces.sgml">
<!ENTITY exceptions SYSTEM "advanced/exceptions.sgml">
<!ENTITY concurrency SYSTEM "advanced/concurrency.sgml">
<!ENTITY continuations SYSTEM "advanced/continuations.sgml">
]>
<book>
<bookinfo>
<title>Nickle Tutorial</title>
<authorgroup>
<author>
<firstname>Robert</firstname>
<surname>Burgess</surname>
</author>
<author>
<firstname>Keith</firstname>
<surname>Packard</surname>
</author>
</authorgroup>
<abstract>
<para>
This is a user tutorial for Nickle, a powerful desktop
calculator language. Nickle supports many features of
advanced languages, as well as arbitrary precision numbers.
This tutorial is intended to teach Nickle to someone who is already fairly familiar with programming, using descriptions with examples.
Topics are covered progressively, beginning with invocation and commands, moving on to learning the language, and finally to more advanced topics.
</para>
</abstract>
</bookinfo>
<chapter><title>Nickle Tour</title>
<abstract>
<para>
The following is an example Nickle session, interspersed with comments.
</para>
</abstract>
&tour;
</chapter>
<chapter><title>Nickle Basics</title>
<abstract>
<para>
Nickle is a powerful desktop calculator language with many features of advanced languages and support for arbitrary precision numbers.
It can run interactively to fulfill its role as a calculator, evaluate single expressions, and execute Nickle scripts.
It also has an array of useful top-level commands for interacting with the interpreter.
</para>
</abstract>
&invoke;
&command;
</chapter>
<chapter><title>Language introduction</title>
<abstract>
<para>
In this chapter, the features of Nickle such as datatypes, expressions, control statements, and functions will be discussed.
By the end, most of the basic language features will have been covered.
</para>
</abstract>
&variables;
&expressions;
&statements;
&functions;
</chapter>
<chapter><title>Builtins</title>
<abstract>
<para>
This chapter will explain various important builtin functions of Nickle, such as those for input and output and math.
It will also discuss the various operators and builtin functions that manipulate strings.
</para>
</abstract>
&io;
&math;
&strings;
</chapter>
<chapter><title>Advanced topics</title>
<abstract>
<para>
This chapter will discuss more advanced topics; these features make Nickle as powerful as it is.
The semantics of copying and garbage collection, namespaces, exceptions, threading and mutual exclusion, and continuations will all be covered.
</para>
</abstract>
©ing;
&namespaces;
&exceptions;
&concurrency;
&continuations;
</chapter>
</book>
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