Welcome to the world of Racket, an innovative and powerful programming language created by expert software developers. With its easy-to-learn syntax and robust functionality, Racket is the ideal choice for anyone looking to create cutting-edge Windows 7 software. Designed for both beginners and advanced users, Racket offers a range of tools and features to help you achieve your software development goals with ease, speed, and precision. So whether you're building games, web applications, or complex software systems, download Racket today and discover the future of programming.

Grow your Program

Racket's interactive mode encourages experimentation, and quick scripts easily compose into larger systems. Small scripts and large systems both benefit from native-code JIT compilation. When a system gets too big to keep in your head, you can add static types.

Grow your Language

Extend Racket whenever you need to. Mold it to better suit your tasks without sacrificing interoperability with existing libraries and without having to modify the tool chain. When less is more, you can remove parts of a language or start over and build a new one.

Grow your Skills

Whether you're just starting out, want to know more about programming language applications or models, looking to expand your horizons, or ready to dive into research, Racket can help you become a better programmer and system builder.

New Release
As of this release:
Racket has expanded support for immutable and mutable treelists:
A variety of new treelist utility functions are available: treelist-filter, treelist-flatten, et cetera.
The mutable-treelist-prepend! function allows prepending to mutable treelists.
Mutable treelists are serializable.
The serialize-structs module allows the minimization of dependencies by providing only a handful of core forms.
The flbit-field function allows access to the binary representation of IEEE floating-point numbers.
The top-left search box in the documentation works once more.
The XML reader is 2–3x faster on inputs with long CDATA and comments, and avoids some internal contract checks to obtain a 25% speedup on large documents generally.
The pregexp syntax includes "X" to match a grapheme cluster, following Perl and PCRE.
The read-json* and write-json* functions allow customization of the Racket representation of JSON elements, eliminating the need for a separate “translation” pass.
Racket has new port I/O functions:
The open-input-nowhere function creates an empty input port.
The pipe-port? function makes it possible to determine whether a port is created by make-pipe.
The port-file-stat function allows gathering information about the file that is the source or target of a file-stream port.
A revised representation of pointers improves the performance of foreign function calls. As a result, ptr-ref and ptr-set! are substantially faster.
In anticipation of the fifteenth RacketCon, the fifteenth function returns the fifteenth element of a list.
Racket has an improved multi-line convention for error messages.
The db library allows prepare on virtual statements.
The student-t distribution is part of the math/distributions library.
Expeditor supports customizing the prompt, using the #:prompt keyword argument to call-with-expeditor.
There is a guide to adding internationalization for a new (human) language.
Optimizations to racket/profile improve asymptotic
[ Racket release history ]

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