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TRURL download for Windows

Free download TRURL Windows app to run online win Wine in Ubuntu online, Fedora online or Debian online

This is the Windows app named TRURL whose latest release can be downloaded as TRURLGforWindows1.1.1.zip. It can be run online in the free hosting provider OnWorks for workstations.

Download and run online this app named TRURL with OnWorks for free.

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- 3. Upload this application in such filemanager.

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- 6. Download the application and install it.

- 7. Download Wine from your Linux distributions software repositories. Once installed, you can then double-click the app to run them with Wine. You can also try PlayOnLinux, a fancy interface over Wine that will help you install popular Windows programs and games.

Wine is a way to run Windows software on Linux, but with no Windows required. Wine is an open-source Windows compatibility layer that can run Windows programs directly on any Linux desktop. Essentially, Wine is trying to re-implement enough of Windows from scratch so that it can run all those Windows applications without actually needing Windows.





TRURL is a suite of desktop calculators with reverse Polish notation (RPN) written in Object Pascal. Additionally, it comes with a free reusable class library (RPN Engine) as a toolbox for creating your own calculator.

TRURL is an acronym for "TRURL is a Reusable Universal RPN Library".

Class Libraries:
• RPN Engine: Full-featured calculation engine for Pascal-based RPN calculators
• Segmitator: Library for virtual seven-segment displays

• TRURL A: Simple demo app for the RPN Engine
• TRURL G: Desktop RPN calculator inspired by the UI of the DSKY unit of the Apollo Guidance Computer (AGC)


  • Source code for Lazarus / Free Pascal as well as working applications for major operating systems available.
  • Comes with a reusable RPN engine and optional other libraries for your own projects.
  • Platform-sensitive user interface optimised for macOS, Windows and Linux
  • The software has been developed from scratch without copying existing code, therefore no need to worry about plagiarism, copyright issues etc.
  • Free software with a BSD license, which permits usage in free and open source projects as well as in commercial software.
  • Curated by Zenodo and OpenAIRE
  • DOI 10.5281/zenodo.3257689 https://doi.org/10.5281/zenodo.3257689


Science/Research, Education, Advanced End Users, Developers, End Users/Desktop

User interface

Gnome, Win32 (MS Windows), Cocoa (MacOS X), Carbon (Mac OS X)

Programming Language

Pascal, Object Pascal, Free Pascal


Office/Business, Scientific/Engineering, Libraries

This is an application that can also be fetched from https://sourceforge.net/projects/trurl/. It has been hosted in OnWorks in order to be run online in an easiest way from one of our free Operative Systems.