Browse free open source Java Calculators and projects below. Use the toggles on the left to filter open source Java Calculators by OS, license, language, programming language, and project status.

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  • 1
    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. It can also process batch TXT files, making it useful for repeatable calculations and automated workflows. The project also includes ATC Online Alpha, a WebAssembly-based version that brings parts of the ATC engine to the web. ATC is released under the GPLv3 license and is made in Portugal.
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    Downloads: 12 This Week
    Last Update:
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  • 2
    Java Calculator Suite (jcs) is a collection of Java classes related to expression calculators written in Java. Suports booleans, large numbers, machine numbers, most operators and about 25 different functions.
    Downloads: 4 This Week
    Last Update:
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  • 3
    pj-net-tools

    pj-net-tools

    Pure Java Network Tools

    Pure Java Network Tools. Free portable cross-platform. Include: 01) ICMP-ping, 02) ICMP-traceroute, 03) DNS-check resolver, 04) Parallel Host TCP-scanner, 05) IP-calculator, 06) Syslog-server, 07) Local ARP-cache request, 08) Parallel Network Ping-Scanner, 09) Snmp-Get concrete value utility. 10) Parallel ICMP flood utility. 11) Parallel UDP flood utility. 12) TFTP-server. 13) NTP-server. 14) Host TCP-ping. 15) SNMP-MRTG traffic monitor. 16) Anonymous FTP-server. 17) Parallel Network TCP-scanner. 18) Parallel Network SNMP-scanner. 19) Parallel Network DNS-scanner. 20) Parallel SNMP-DoS. 21) Parallel HTTP/HTTPS-DoS Need JRE-1.8: https://www.oracle.com/java/technologies/javase/javase8-archive-downloads.html . Source - https://github.com/harp077/pj-net-tools . If you like this - put a star on https://github.com/harp077/pj-net-tools
    Downloads: 6 This Week
    Last Update:
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  • 4
    jRCaLc

    jRCaLc

    jRCaLc is a program designed to aid you in working with resistors.

    jRCaLc is a resistor calculator outfitted with various tools, meant to aid in work related to resistors.
    Downloads: 2 This Week
    Last Update:
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  • 5
    HashTool

    HashTool

    Easily calculate hash values.

    HashTool calculates the most common hash and hmac values of files and strings by using the "Bouncy Castle Java cryptography API".
    Downloads: 3 This Week
    Last Update:
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  • 6
    A simple CPU simulator whose goal is to make assembly learning easier. This goal is reached giving a simple calculator, called ENIAC, with a simple CPU, called vCPU. The vCPU's instructions are very simple and easy to understand.
    Downloads: 2 This Week
    Last Update:
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  • 7
    Java-Calculator

    Java-Calculator

    I believe it is the best tool for everone get it it's free.

    Scientific Calculator includes the following features: * Traditional algebraic or RPN operation * Result history * Math Functions * Percentages * Binary, octal, and hexadecimal conversion * Large input/output display I believe it is the best tool for everone get it it's free.
    Downloads: 2 This Week
    Last Update:
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  • 8
    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)
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    Downloads: 2 This Week
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  • 9
    ICE (Interval Calculator for Engineer)

    ICE (Interval Calculator for Engineer)

    Interval Calculator for Engineer

    ICE is a simple mathematical calculator with very useful shortcuts for Engineer: works natively with tolerance, can run Monte Carlo analysis, uses engineer notation, includes most of the day by day functions used by engineers.
    Downloads: 1 This Week
    Last Update:
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  • 10
    XCalc is an infix calculator for mobile devices that support J2ME, MIDP 1.0 and CLDC 1.0.Its main features are 2d and 3d plotting of functions and its usability. It uses the Real.java library http://sourceforge.net/projects/real-java.
    Downloads: 1 This Week
    Last Update:
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  • 11
    BigAl

    BigAl

    a free cross platform calculator for calculating BIG numbers

    BigAl is a free open source and platform independent software for calculating really BIG numbers. It supports not only standard arithmetic, but also exact period determination, predefined factorials, fibonacci with seeds, factorization, nth root, etc
    Downloads: 1 This Week
    Last Update:
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  • 12
    FatCalc
    FatCalc - simple body fat calculator.
    Downloads: 1 This Week
    Last Update:
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  • 13
    This is a Java Just Intonation Calculator. It allows users on many platforms to calculate and hear just tunings. It will support saving and opening tunigs and opening spreadsheet documents and allow users to send tunings to their synthesizers, via MIDI
    Downloads: 1 This Week
    Last Update:
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  • 14
    Java multiprecision calculator

    Java multiprecision calculator

    Multiprecision calculator

    Multipresicion calculator, based on Bigdecimal Java class . It has a library (BigMath) that makes calculations with Bigdecimal. It has also an expression parser to parse the user input. It allows you to store user defined variables and functions . You can operate with them to be used for calculations or for creating new functions with composition. With the new version, you can also calculate the derivative of a function. JDK-17 compatibility You can find more about it at this web site: https://www.frojasg1.com:8443/downloads_web/web/html/calculadora.html?origin=sourceforge
    Downloads: 1 This Week
    Last Update:
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  • 15
    A Creatinine Clearance Calculator which Will Calculate and dose Drug for renal insufficiency and automate a progress note for the Patient Chart
    Downloads: 1 This Week
    Last Update:
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  • 16

    Tribal Installment Loans Calculator

    This is a portable program for monthly payment calculations.

    Managing any loan well takes a lot of effort when it comes to making the right payments on time. In order to help users in the same, the Tribal Installment Loans Calculator is the right tool. It is a comprehensive tool that lets users decide the budget for their situation; choose the right loan type and the repayment options. And what makes it even better is that it is absolutely free of cost.
    Downloads: 1 This Week
    Last Update:
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  • 17
    anDOF

    anDOF

    dof-calculator for android

    Depth of Field (dof) calculator for photographers (SLR) - Enter distance, focal-length and aperture to get near- and far-focus (+hyperfocal-distance) - Reverse mode: enter depth of field and get distance/focal/aperture Intuitive illustration of decreased / increased dof Define your lenses to regulate permitted input-values (e.g. focal-range) Quickly switch to your currently used lens No ads, no costs, released as Free/Open-Source-Software (GPL v3)
    Downloads: 1 This Week
    Last Update:
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  • 18
    Astronomy CCD Calculator

    Astronomy CCD Calculator

    Plan and preview your astronomical shots

    A handy tool designed to help beginner Astronomers. The software Astronomy CCD Calculator uses NASA/SkyView survey resource which provides CCD images of the night sky.It helps you plan an observation by letting you play with different instruments resulting various "Fields Of View" so you can see what your camera will capture and choose the best target for the session.
    Downloads: 0 This Week
    Last Update:
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  • 19

    AuCa

    Auction Calculator

    Auction Calculator