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Showing 39 open source projects for "engineering"
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WP 34s
Scientific/engineering firmware repurposing HP business calculators!
This project has created scientific firmware for the HP-20b and HP-30b business calculators. WP 34S turns either of these calculators into a powerful keystroke programmable scientific device. According to our customers, it's the most powerful and fastest RPN scientific pocket calculator ever built. WP 34S is alive and stable since 2011. We have succeeded in satisfying the most picky users - read about their experiences on http://www.hpmuseum.org/forum/forum-8.html. Since 2014, WP... -
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Calcoo is a scientific calculator (with both RPN and algebraic modes) designed to provide maximum usability.
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IntervalRpnCalculator
An HP RPN calculator with interval output
This terminal app runs on PCs or laptops running OSX or GNU/Linux. It attempts to mimic the functionality of an HP ReversePolishNotation [RPN] calculator with the added enhancement of interval output. So along with your answer, you get a good idea of its trustworthiness. This app uses GAOL, a C++ library to perform arithmetic with floating-point intervals. -
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Differential Calculator
Terminal calculator with differential error estimates
This is a terminal calculator with a remarkable twist. It uses symbolic differentiation to provide a numerically precise error estimate with each calculated answer. It mimics the functionality of an HewlettPackard ReversePolishNotation [RPN] calculator simply because I like RPN. But along with your answer, you get some measure of its trustworthiness. Runs on PCs or laptops running Windows or Linux. -
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RPNCalc
RPNCalc - The command line Reverse Polish Notation (RPN) Calculator
RPNCalc is the command-line based Reverse Polish Notation (RPN) calculator. RPN calculators make it very simple to do complex calculations, especially if there are parentheses involved. I've created a User Guide (https://frossm.github.io/RPNCalc-UserGuide) to do a better job of explaining how to use RPNCalc than the old readme.md file, which was getting really long. If you have questions, issues, feedback, or ideas, please let me know. You can contact me via the links in the... -
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TRURL
A suite of RPN calculators and a class library for Object Pascal
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... -
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BitLogic
Simple Java computer algebra calculator
A calculator that solves many types of problems including solving equations computing derivatives and integrals simplifying expressions graphing equations 2d and 3d reverse polish notation, algebraic and word based interpreter infinite writing board for writing out equations requires java 11 or more -
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wxCalculator
Simple RPN desktop calculator, implemented with wxWidgets and Lua.
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libunits
ultimative units calculation and conversion tool and library
The ultimative shared library to do calculations(!) and conversions with any units! Includes all SI and pseudo SI units and thousands of US, Imperial and other units. 10th of thousands of typical dimensions are recognised as well. An easy API for calculations is available as well as a ncurses based calculator providing RPN and algebraic mode. -
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Reor Calculator
Reor is a winsome calculator with loads of functions, by Ajay Menon.
Reor is a free calculator which is crafted into perfection with a winsome interface. Reor has got Scientific, Statistical, Graphical and many more types of tools built-into it, while maintaining an attractive interface. -
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galculator
galculator is a scientific calculator in algebraic mode and RPN
galculator is a GTK 2 / GTK 3 based scientific calculator supporting algebraic mode as well as RPN. Features include arithmetic precedence handling, mathematical functions, different number bases (DEC, HEX, BIN, OCT) and angle bases (radiant, degree, and grad). Please note: This project page at sf.net reflects the state of the project up to August 2015. Beginning in September 2015, the project homepage was moved to http://galculator.mnim.org, with the source code repositories and issue... -
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HPN cli calculator
A functional HP-style command-line RPN scientific calculator
HPN is a functional - as opposed to microcode - cross-platform emulation of a classic 1970s Hewlett-Packard scientific calculator for any command-line interface. Its operations completely model the historical and groundbreaking HP-35 series, and functions to support the HP-45 and the later HP-65, 67 and HP-15C are in the pipeline. -
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Nice looking calculator using Reverse Polish Notation (RPN) written for Windows. It supports DEC, HEX, BIN, OCT numbers, GRAD, RAD and DEG.
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pRPN
RPN calculator running on Windows and Linux
Graphical Reverse Polish Notation calculator running in Linux and Windows. Programmable. Provides Reals, Complex, Vectors, Matrices, Binaries, Lists, Expressions, Strings and Programs. Implements RPL, the HP programming language of HP-28 and HP-48 series. -
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OpenDRO is an open source project to develop embedded software that runs on digital readouts (DROs) for lathes, mills, and other machine tools.
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rpCalc is a calculator that uses Reverse Polish Notaion (RPN). It supports both keyboard entry and use of the mouse.
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Once upon a time there was a pocket calculator called the HP15C. It used a system called Reverse Polish Notation (RPN) for doing its calculations. The Fairwood Calculator is a RPN calculator designed for the computer.
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A slim desktop calculator using RPN for easy, fast, and accurate computations. Suited for engineers and scientists. Knows a lot of numbers ;) Written in simple C++ using FLTK. Runs on Linux and Windows.
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PG Calculator is a powerfull scientific calculator and an excellent replacement for standard calculator. It ofers full customizable user inteface and looks like real calculator on user desktop. PG Calculator works in Algebraic and RPN mode.
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Shellcalc (sc) is a lightweight and versatile reverse polish notation (RPN) calculator for the command-line. It implements access to the basic operations and many functions from the glibc math library.
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PocketMK is programmable RPN calculator designed to be comfortable for small screens (like PDA) and compatible with a set of Soviet programmable calculators (like MK-61). It have special functions (erf, gamma ...), graphical and indirect address commands
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Calx is a calculator program based on RPN (Reverse-Polish Notation) that allows you to compute complex mathematical expressions containing brackets, mathematical functions etc.
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Wurp is an RPN (Reverse Polish Notation) calculator, similar to the HP48 calculator. Wurp supports various platforms, including KDE and curses (and hopefully Windows eventually).
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HorsePower is J2ME scientific calculator optimised for use on mobile phones, with the appearance of the classic range of Hewlett Packard calculators. (MIDP 1.0 & CLDC 1.0)
