Essentials

Introduction

The Julia standard library contains a range of functions and macros appropriate for performing scientific and numerical computing, but is also as broad as those of many general purpose programming languages. Additional functionality is available from a growing collection of available packages. Functions are grouped by topic below.

Some general notes:

Except for functions in built-in modules (Pkg, Collections, Test and Profile), all functions documented here are directly available for use in programs.
To use module functions, use import Module to import the module, and Module.fn(x) to use the functions.
Alternatively, using Module will import all exported Module functions into the current namespace.
By convention, function names endi
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