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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
Applications:
• TRURL A: Simple demo app for the RPN Engine
• TRURL B: RPN calculator in the design of the famous calculators by Dieter Rahms for Braun
• TRURL G: Desktop RPN calculator inspired by the UI of the DSKY unit of the Apollo Guidance Computer (AGC)
Features
- 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
- The TRURL Team at BlueSky: https://bsky.app/profile/teamtrurl.bsky.social
Project Samples
License
BSD LicenseOther Useful Business Software
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