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

Project Activity

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License

BSD License

Follow TRURL

TRURL Web Site

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Additional Project Details

Operating Systems

BSD, FreeBSD, Linux, Mac, NetBSD, OpenBSD, Solaris, Windows

Languages

English

Intended Audience

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

User Interface

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

Programming Language

Free Pascal, Object Pascal, Pascal

Related Categories

Pascal Business Software, Pascal Scientific Engineering, Pascal Libraries, Pascal Calculators, Pascal RPN Calculators, Object Pascal Business Software, Object Pascal Scientific Engineering, Object Pascal Libraries, Object Pascal Calculators, Object Pascal RPN Calculators, Free Pascal Business Software, Free Pascal Scientific Engineering, Free Pascal Libraries, Free Pascal Calculators, Free Pascal RPN Calculators

Registered

2019-01-09