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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: TeamViewer IDs are unique identifiers assigned to devices that use TeamViewer. These IDs are crucial for establishing connections between devices. However, mentioning a specific ID like "120259" doesn't directly relate to a widely known issue or a hot fix without further context.
If you have encountered this string or a site offering a download with this name, please consider the following:
: This term often refers to Hotfixes or dynamic module updates (like the TeamViewer QuickSupport addon) that are downloaded on-demand during a session. 2. Common Causes for Similar Connection Errors
TeamViewer 12 introduced several new features that set a new benchmark for remote connectivity:
The download will initiate an .exe file (or an .msi package for enterprise deployments). 2. Choose the Right Module
(functions.RelatedSearchTerms)
: TeamViewer has officially announced the end of support for Versions 11 and 12 on December 31, 2025. Older "12.x" builds may experience connection blocks or failed updates.
To resolve download or connectivity failures, follow these steps provided by the Official TeamViewer Support Guide :
If your software refuses to generate a dynamic ID or password, it is usually a DNS or configuration conflict. Not ready. Please check your connection - TeamViewer
TeamViewer has officially entered a transition period for its older software. According to the TeamViewer Community , support for versions 11 and 12 is scheduled to .
The phrase does not appear to be an official TeamViewer feature, error code, or documented version . It strongly resembles a "keyword-stuffed" string often used by malicious websites or search engine spam to trick users into downloading compromised software.
Click on and select Properties . Tick Use the following DNS server addresses .
When users search for quick solutions to connection problems, they are usually running into severe configuration blockages. The software is highly secure, using AES 256-bit encryption and RSA 4096 public/private key exchanges . Because it relies on tightly monitored handshakes, even minor system deviations can completely drop a connection. Common Root Causes of Connectivity Issues
Best for users who need to both provide and receive remote support.
: TeamViewer IDs are unique identifiers assigned to devices that use TeamViewer. These IDs are crucial for establishing connections between devices. However, mentioning a specific ID like "120259" doesn't directly relate to a widely known issue or a hot fix without further context.
If you have encountered this string or a site offering a download with this name, please consider the following:
: This term often refers to Hotfixes or dynamic module updates (like the TeamViewer QuickSupport addon) that are downloaded on-demand during a session. 2. Common Causes for Similar Connection Errors
TeamViewer 12 introduced several new features that set a new benchmark for remote connectivity: teamviewer 120259 hot download
The download will initiate an .exe file (or an .msi package for enterprise deployments). 2. Choose the Right Module
(functions.RelatedSearchTerms)
: TeamViewer has officially announced the end of support for Versions 11 and 12 on December 31, 2025. Older "12.x" builds may experience connection blocks or failed updates. : TeamViewer IDs are unique identifiers assigned to
To resolve download or connectivity failures, follow these steps provided by the Official TeamViewer Support Guide :
If your software refuses to generate a dynamic ID or password, it is usually a DNS or configuration conflict. Not ready. Please check your connection - TeamViewer
TeamViewer has officially entered a transition period for its older software. According to the TeamViewer Community , support for versions 11 and 12 is scheduled to . If you have encountered this string or a
The phrase does not appear to be an official TeamViewer feature, error code, or documented version . It strongly resembles a "keyword-stuffed" string often used by malicious websites or search engine spam to trick users into downloading compromised software.
Click on and select Properties . Tick Use the following DNS server addresses .
When users search for quick solutions to connection problems, they are usually running into severe configuration blockages. The software is highly secure, using AES 256-bit encryption and RSA 4096 public/private key exchanges . Because it relies on tightly monitored handshakes, even minor system deviations can completely drop a connection. Common Root Causes of Connectivity Issues
Best for users who need to both provide and receive remote support.
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