Showing 32 open source projects for "open source with database"

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  • 1
    Multi-Calculator

    Multi-Calculator

    Stylish design, versatile features – the ultimate calculator

    Multi-Calculator is a free, open-source Android utility application that combines mathematical calculations and everyday conversion tools. It provides a scientific calculator supporting arithmetic, logarithms, trigonometry, factorials, and mathematical constants. Users can convert measurements across categories such as length, area, volume, temperature, and speed.
    Downloads: 1 This Week
    Last Update:
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  • 2
    WP 34s

    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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    5.0 out of 5 stars 7 Reviews
    Downloads: 44 This Week
    Last Update:
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  • 3
    Wcalc

    Wcalc

    A powerful arbitrary-precision calculator.

    Wcalc is a powerful arbitrary-precision calculator. It has standard functions (sin, asinh, logtwo, floor, etc), many pre-defined constants (pi, e, c, etc.), variables, "active" variables, command history, and hex/octal/binary i/o, conversions, and more
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    Downloads: 21 This Week
    Last Update:
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  • 4
    Advanced Trigonometry Calculator

    Advanced Trigonometry Calculator

    Open-source C/C++ math engine for advanced scientific computing

    Advanced Trigonometry Calculator (ATC) is an open-source mathematical computing engine written mainly in C/C++. Created in 2011 and maintained by Renato Alexandre dos Santos Freitas, ATC is designed as a practical Windows desktop application for advanced calculations, automation, and technical problem solving. ATC supports equation solving, polynomial tools, complex numbers, matrix calculations, statistics, physics, geometry, unit conversions, DSP/FFT operations, and scripting. ...
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    5.0 out of 5 stars 2 Reviews
    Downloads: 13 This Week
    Last Update:
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  • 5
    Elite Calculator

    Elite Calculator

    Elite Calculator - Accurate Math Solutions

    Elite Calculator Simplify your calculations with Elite Calculator, the ultimate tool for quick and accurate math solutions. Designed with a sleek interface and packed with features, it's your all-in-one math assistant. Key Features: 🔢 Standard Calculator: Perform basic arithmetic operations like addition, subtraction, multiplication, and division. 📐 Scientific Mode: Access advanced functions for trigonometry, logarithms, and more. 🎨 Customizable Themes: Switch between light and...
    Downloads: 5 This Week
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  • 6
    Engineering Calculator

    Engineering Calculator

    Engineering Calculator and Unit Converter

    Engineering Calculator is a lightweight, yet handy math expression evaluation and unit conversion utility that is always at your fingertips.
    Downloads: 3 This Week
    Last Update:
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  • 7
    Equation Solver

    Equation Solver

    Program that can solve any equation for real root/s

    Program written in Delphi which uses two components available in the source code. The program is now fully functional; however, it was originally written to test the two components.
    5.0 out of 5 stars 1 Review
    Downloads: 1 This Week
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  • 8
    Differential Calculator

    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.
    Downloads: 2 This Week
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  • 9
    Photon

    Photon

    A graphing calculator that's both powerful and easy to use.

    Photon is a fully functional graphing calculator capable of numeric calculations as well as graphing functions, including parametric and polar graphs. In addition to regular graphing, Photon can plot integrals, first and second derivatives, tracing, animation, matrix math, and degree / radian mode. Photon can find roots, minimums and maximums, points of inflection, and it can fit several types of best fit lines and curves to data sets. Log and semi-log graphing are also...
    Downloads: 3 This Week
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  • 10
    RPNCalc

    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...
    Downloads: 1 This Week
    Last Update:
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  • 11
    mhcfs2

    mhcfs2

    engineering programmable calculator

    MhcFS2 - engineering calculator. (v. 1.2 b141) (math expression calculator, scientific calculator, numerical, integral,integration, derivative, root, matrix, differencial, differentiation, equation, LSE,ODE )
    Downloads: 0 This Week
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  • 12

    npadcalc

    Desktop RPN calculator

    A desktop RPN calculator app, optimized for use with full-size keyboard. Written in Rust with gtk-rs GUI. This app was developed as a learning project, but one may still find it useful for performing simple calculations.
    Downloads: 0 This Week
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  • 13
    qmcalc2

    qmcalc2

    Programmable graphical scientific calculator

    Full featured graphical scientific calculator modeled after actual commercial hand held scientific calculators. Fully tested and error free (as far as I know). Comes with HTML documentation, test files and sample calculator scripts. Win Xp / Linux. Works also for Windows 7 Professional and Ultimate edition.
    Downloads: 0 This Week
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  • 14
    pjscicalc

    pjscicalc

    A scientific calculator written in Python

    A scientific calculator written in Python, this project uses the wxPython and mpmath modules to create a scientific calculator suitable for use on a computer desktop. It is largely a rewrite and update of jscicalc. It has much higher precision.
    Downloads: 0 This Week
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  • 15
    PeCalc

    PeCalc

    PeCalc is a polyvalent engineering calculator for S&T students

    PeCalc allows making calculations with integer fractions, complex numbers, complex matrices, rational functions and complex polynomials. It also allows making changes of numeric base, prime factor decomposition, solving linear equation systems, statistical and financial computations, rational fraction decomposition and plotting some control engineering graphs. PeCalc includes comprehensive user help in English and Spanish. Currently PeCalc runs on Android and MS Windows. A version for GNU...
    5.0 out of 5 stars 1 Review
    Downloads: 1 This Week
    Last Update:
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  • 16
    Integrated Development Environment for some microcontrollers based on 8051(e.g. AT89S8253). Supported languages are Assembly and C. It has its own simulator, assembler, editor and many other tools. See the project web site for more details and the newest updates.
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    4.6 out of 5 stars 9 Reviews
    Downloads: 730 This Week
    Last Update:
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  • 17
    Pc Calculator is a clever note and formula editor combined with an advanced and strong scientific calculator. Being an editor it is extremely user-friendly allowing all possible typing and other errors to be easily corrected and fast recalculated.
    Downloads: 0 This Week
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  • 18
    XiCalc is a scientific calculator, which evaluates a wide range of different expressions and supports standard mathematical functions. Additional functions and constants can be defined by the user. Latest version of source is for borland radstudio xe8. (can be downloaded at borland)
    Downloads: 0 This Week
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  • 19
    TU Calc

    TU Calc

    Simple tool for numerical calculation

    TU Calc is a modular tool that aims to gather numerical methods for solution of mathematical problems. Interacting with the user through a GUI that is analogous to the windows desktop.
    Downloads: 1 This Week
    Last Update:
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  • 20
    Pyramid Calc

    Pyramid Calc

    Simple calculator

    Simple and fast in use scientific calculator. More details in README. It's not that long.
    Downloads: 0 This Week
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  • 21

    cgtkcalc

    A simple calculator for complex number calculation.

    A simple scientific calculator for complex number calculation. It requires the GTK+ toolkit.
    Downloads: 0 This Week
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  • 22
    UltimateCalculator

    UltimateCalculator

    Basic Scientific Calculator

    This software has four major modes- Simple, Scientific, Base & Equation. It also has Unit Converter, Date Calculator & Prime Number Generator.
    Downloads: 0 This Week
    Last Update:
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  • 23

    gui scientific calculator

    solves the mathematical expressions with any number of functions in it

    It's a scientific calculator which allows users to enter a mathematical expression with any number of functions in it... it evaluates the result and shows the entered expression with the result.... very friendly environment .. easy to use,also compatible with touch screen laptops.. full scientific calculator..
    4.5 out of 5 stars 4 Reviews
    Downloads: 0 This Week
    Last Update:
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  • 24
    Tinger Calc

    Tinger Calc

    Tinger Calc is a powerful scientific calculator environment.

    Tinger Calc is a powerful scientific calculator environment. It supports elementary math ( +, -, *, /, ^), trigonometric functions (sin, sinh, asin, cos, cosh, acos, tan, tanh, atan), exponential functions (exp, ln, lg, sqrt), math constants (pi, e), system functions (exit, quit, print). The software support email: tingersoft@gmail.com.
    1.0 out of 5 stars 1 Review
    Downloads: 0 This Week
    Last Update:
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  • 25

    kalcula

    kalcula is a Scientific Calculator

    Is a Scientific Calculator for all Operating Systems also is Open Source. Still is under develpment, use only for test.
    Downloads: 0 This Week
    Last Update:
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