RAPTOR is a flowchart-based programming environment, designed specifically to help students visualize their algorithms and avoid syntactic baggage. RAPTOR programs are created visually and executed visually by tracing the execution through the flowchart. Required syntax is kept to a minimum. Students prefer using flowcharts to express their algorithms, and are more successful creating algorithms using RAPTOR than using a traditional language or writing flowcharts without RAPTOR.
Are you interested in running RAPTOR on Chromebooks, iPads, or just in a browser? Check out the pre-release here!. This is NOT fully tested. Send feedback via
A Multiplatform version of RAPTOR is now available for Windows, Mac and Linux built on top of [Avalonia]! See the downloads section below. Uses fonts from Noto Sans CJK for internationalization. Key differences:
Figure 1 RAPTOR for Windows
Figure 2 RAPTOR Avalonia
Papers on RAPTOR application:
RAPTOR referenced in following books or publications:
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If the installer interface itself cannot be switched to English, you must navigate the Russian prompts carefully. Memorizing these key terms will prevent critical installation mistakes: : Next Назад (Nazad) : Back
How to Change the Language in xatab Repacks (And Make It Stay)
To change the language in a Xatab repack, you typically need to modify the installation settings or edit configuration files within the game's directory. Since Xatab repacks often default to Russian, these methods help switch the interface and subtitles to English or your preferred language. Methods to Change Language
The Xatab language change technology has a wide range of applications across various industries, including:
The keyword encapsulates a common pain point. You install a massive 50GB game, only to find it booting up in Russian or Polish. The in-game menu is a maze of Cyrillic text, and you need English (or your native language) to understand the story. Worse, sometimes the "change language" option is greyed out.
: Look for files such as steam_emu.ini , context.ini , ALI213.ini , or goggame-XXXXX.info . Editing Process : Open the file with Notepad . Use Ctrl+F to search for "Language" .
Navigate to the following path (depending on whether the game is 32-bit or 64-bit): HKEY_LOCAL_MACHINE\SOFTWARE\Wow6432Node\ HKEY_CURRENT_USER\SOFTWARE\
: Choose "Английский" (English) for both the interface and voice lines if both options are available. 2. Modifying Configuration (.ini) Files
Re-run setup; ensure "English Voiceover" component is checked.
If the installer interface itself cannot be switched to English, you must navigate the Russian prompts carefully. Memorizing these key terms will prevent critical installation mistakes: : Next Назад (Nazad) : Back
How to Change the Language in xatab Repacks (And Make It Stay)
To change the language in a Xatab repack, you typically need to modify the installation settings or edit configuration files within the game's directory. Since Xatab repacks often default to Russian, these methods help switch the interface and subtitles to English or your preferred language. Methods to Change Language xatab language change better
The Xatab language change technology has a wide range of applications across various industries, including:
The keyword encapsulates a common pain point. You install a massive 50GB game, only to find it booting up in Russian or Polish. The in-game menu is a maze of Cyrillic text, and you need English (or your native language) to understand the story. Worse, sometimes the "change language" option is greyed out. If the installer interface itself cannot be switched
: Look for files such as steam_emu.ini , context.ini , ALI213.ini , or goggame-XXXXX.info . Editing Process : Open the file with Notepad . Use Ctrl+F to search for "Language" .
Navigate to the following path (depending on whether the game is 32-bit or 64-bit): HKEY_LOCAL_MACHINE\SOFTWARE\Wow6432Node\ HKEY_CURRENT_USER\SOFTWARE\ Methods to Change Language The Xatab language change
: Choose "Английский" (English) for both the interface and voice lines if both options are available. 2. Modifying Configuration (.ini) Files
Re-run setup; ensure "English Voiceover" component is checked.
Do you want more older versions? Check out older versions of RAPTOR here
Did you know RAPTOR has modes? By default, you start in Novice mode. Novice mode has a single global namespace for variables. Intermediate mode allows you to create procedures that have their own scope (introducing the notion of parameter passing and supports recursion). Object-Oriented mode is new (in the Summer 2009 version)
RAPTOR is freely distributed as a service to the CS education community. RAPTOR was originally developed by and for the US Air Force Academy, but its use has spread and RAPTOR is now used for CS education in over 30 countries on at least 4 continents. Martin Carlisle is the primary maintainer, and is a professor at Texas A&M University.
Below handouts are by Elizabeth Drake, edited from Appendix D of her book, Prelude to Programming: Concepts and Design, 5th Edition, by Elizabeth Drake and Stewart Venit, Addison-Wesley, 2011. Linked here with author's permission.
Comments, suggestions, and bug reports are welcome. If you have a comment, suggestion or bug report, send an email to .
David Cox has put together a user forum at http://raptorflowchart.freeforums.org. This provides a place for users to exchange ideas, how tos, etc. Note however, that feedback for the author should be sent by email rather than posting on this forum.
Randy Bower has some YouTube tutorials at http://www.youtube.com/user/RandallBower. You can also search YouTube for "RAPTOR flowchart".
The UML designer is based on NClass, an open-source UML Class Designer. NClass is licensed under the GNU General Public License. The rest of RAPTOR, by US Air Force policy, is public domain. Source is found here. RAPTOR is written in a combination of A# and C#. Unfortunately, I don't have the time to provide support on compilation issues