Calculators
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Web Sites
  • 16 function webpage calculator
    Scientific web page calculator, written in JavaScript.
    http://www.onlinecalculator.info
     
  • 1st Calculator
    Scientific calculator.
    http://www.romanlab.com/1stcalc/
     
  • 5000 digit calculator
    A calculator that takes calculations out to many, many digits
    http://www.gc3.co.uk/bcalc.htm
     
  • A3Calc
    Calculator program for the Nokia 9210/9210i/9290 Communicator: also PC/Windows. EPOC version for sale by post, Windows version is postcardware.
    http://www.a3calc.com/
     
  • AddsUp
    PC function calculator that operates in Windows.
    http://www.addsup.net
     
  • Advanced Converter
    Program for conversion between units of measurements.
    http://www.mathterra.com/
     
  • Analysis, a Tool Dedicated to Calculus
    Analysis is a tool that can draw 2D and 3D graphs of functions with different characteristics. Implicit f(x,y)=g(x,y)form curves are plot in a xy plane. Free download for all Windows versions
    http://www.geocities.com/leibowitz.geo/analysis_en.html
     
  • Archimede
    A powerful calculator for Linux. Algebric, RPN, vectors, matrices, quaternions, System, equations, complex numbers, solution of triangles, measure conversion. License GPL.
    http://mcz.altervista.org/index_in.html
     
  • BAC Computer Software
    Calculator that performs the basic arithmetic operations on fractions and then at the press of a button gives you a detailed explanation of how the computation was done.
    http://www.bacsoftware.co.uk/fcalc1/
     
  • Big Integer Numbers Calculator
    Free download big integer numbers calculator.
    http://www.bigcalc.scriptmania.com/
     
  • Calcs4
    A library of online calculations for use with your web browser as well as the ability to create your own calculations and publish them to the web for your own use or to share with the webpage community.
    http://www.calcs4.com
     
  • Calculator Directory
    Extensive variety of software calculators collected in one directory. Scientific, graphing, loan and mortgage, currency and conversion calculators.
    http://www.pc-calculators.com
     
  • Calculator Express Math Formulas
    Includes arithmetic, mortgage and currency exchange processing features. Uses a dialog box and icons for input.
    http://www.calcexpress.com/
     
  • Calculator.org
    Calculator resources including free download of scientific engineering, statistical, and financial calculators.
    http://www.calculator.org/
     
  • Calculators by Ken
    Reference programs written in VB3. Includes common mathematical formulas.
    http://www3.sympatico.ca/prentice
     
  • CLK-Calculator
    RPN Calculator with unit conversion and matirx calculator. Functions for vectors and complex numbers and a function-plotter.
    http://www.clk-calculator.de/
     
  • Command-line Calculator for tcsh/bash/zsh
    Guide on how to create a simple command-line calculator for the tcsh, bash and zsh shells.
    http://home3.inet.tele.dk/frda/src/calc_tip.html
     
  • Constructive Reals Calculator
    An RPN calculator applet and supporting Java library.
    http://www.hpl.hp.com/personal/Hans_Boehm/crcalc/CRCalc.html
     
  • Date Calculator
    Perform date math, calculate date differences, and organize data and events.
    http://www.datecalculator.com/
     
  • DateCalculator
    DateCalculator v3.1.0 by Joesoft
    http://www.joesoft.net/
     
  • DreamCalc Pro
    Photo-realistic scientific and financial calculator for Windows. Free trial download.
    http://www.dreamcalc.com/
     
  • Easy Date Converter
    Adds a number of days to a date, calculates the number of days between two dates, and converts among Gregorian dates, Julian dates, Julian day numbers and ordinal dates of the form yyyyddd. Supports batch computation.
    http://www.hermetic.ch/edc/edc.htm
     
  • EngCalc Calculator
    Calculate and evaluate expressions even by copying and pasting expressions from other applications. It can also read txt (Text) or .doc files automatically line by line.
    http://engcalc.relicad.com
     
  • ESBCalc Pro Home Page
    Scientific calculator with many features including Paper Trail. Windows32. Free trial download.
    http://www.esbconsult.com/esbcalc/esbcalcpro.html
     
  • Fung-Calc - Graphing Calculator
    2D and 3D graphing calculator for Linux with multiple graphing modes.
    http://fung-calc.sourceforge.net
     
  • Fuzzycrawler Scientific Calculator
    Javascript-based online calculator.
    http://www.fuzzycrawler.com/new/tools/index.phtml?SCREEN=Calculator
     
  • GCalc
    An online graphing calculator Java applet.
    http://humblestar.net/GCalc
     
  • GCalc -- Java Mathematical Graphing System
    Free online graphing calculator for education use with 2d, 3d, cartesian, polar, calculus, differential equations, scientific, implicit function components.
    http://gcalc.net
     
  • gNumerator
    A interactive computer math system that uses standard JavaScript as the scripting language, and a collection of re-usable math oriented components such as a complete MathML DOM implementation, and a MathML viewing / editing control.
    http://numerator.sourceforge.net
     
  • GoldfishSoft
    Free software for the Macintosh. FrakKalk, the newest GoldfishSoft Program, is a fraction calculator for Mac OS X.
    http://homepage.mac.com/goldfish1/
     
  • Harculator
    Fully functional graphing calculator built around the Microsoft Office suite.
    http://www.harculator.com
     
  • Haxial Calculator
    High precision calculator with unit and radix converters.
    http://www.haxial.com/products/calculator/
     
  • HiDigit
    Powerful calculator for students and teachers. Five number systems, full complex numbers support, and 15-digit maximum precision.
    http://www.binarythings.com/hidigit/
     
  • High Precision JavaScript Calculator
    A JavaScript Calculator that adds, subtracts and multiplies fairly large numbers. Functions are added in my copious free time.
    http://www.petting-zoo.org/Calculator.html
     
  • iFigure
    Guide to online calculators, including those designed for home, travel, finance, health, and small business.
    http://www.ifigure.com/
     
  • Jason's Calculator
    Open source calculator application for the Windows platform.
    http://sourceforge.net/projects/calculator123/
     
  • Jason's Calculator
    The homepage for an easy to use multipurpose shareware calculator.
    http://calculator.8m.net/
     
  • Kalculator for KDE 1.0
    Evaluates mathematical expressions. Includes history feature, function-pick window, and help. Variables and hex numbers are also supported.
    http://www.mujweb.cz/www/mirza
     
  • Linear Algebra Calculator
    mcalcdos is a free command line linear algebra calculator capable of matrix, vector and polynomial operations in real and complex fields.
    http://www.angelfire.com/space/matrixcalc/
     
  • Lygea Pocket 15C Scientific Calculator for Pocket PC
    HP-15C scientific emulator for Pocket PC.
    http://www.lygea.com/pocket15cdetail.htm
     
  • Math Expression Calculator
    Evaluates mathematical expressions involving multiple variables. Offers product description, screen shots and user guide.
    http://www.mathbay.com/products/mathexp/
     
  • MathServ Calculus ToolKit
    Online calculators for several calculus functions.
    http://math.vanderbilt.edu/~pscrooke/toolkit.shtml
     
  • Matrix Calculator
    Calculator for basic matrix operations. A demo version download is available.
    http://members.shaw.ca/mtx/matrix.htm
     
  • Matrix Calculator
    Online Java calculator for matrix operations.
    http://mathematics.ifrance.com/index_gb.htm
     
  • Maximath
    Graphing calculator. Includes matrix editor and unit conversions.
    http://www.linesofcomm.demon.co.uk/
     
  • Monachos Calculators
    Online calculators with variety of engineering functions, including unit conversion, periodic table, piping applications, and electrical applications.
    http://www.monachos.gr/eng/calculators/calculators.htm
     
  • Multi-Function Calculator
    Multi-function shareware calculator, and unit conversion utility for Windows. Four modes of operation: statistics, trigonomety, base-n, and unit conversion.
    http://www.rjsoftware.com/FNA/
     
  • My Ten Key
    A realistic ten key calculator designed by a CPA.
    http://www.mytenkey.com/
     
  • Online Calculators
    A collection of everyday use calculators and converters written in Javascript and PHP, available to use and download.
    http://www.online-calculators.co.uk
     
  • Online Matrix Calculator
    Calculates matrix determinant and inverse. Performs LU, Cholesky, QR, SVD decompositions. Calculates eigenvalues and eigenvectors.
    http://www.bluebit.gr/matrix-calculator
     
  • PALM OS Calculator
    The calculator is being provided in several versions, depending on the tasks to solve.
    http://www.c4calc.com
     
  • PAPCW
    Programmable arbitrary precision RPN calculator. Zip file, download will start immediately.
    http://public.planetmirror.com/pub/cug/vol_400/468_01.zip
     
  • PG Calculator
    A scientific calculator with full customizable user interface. Aalgebraic and RPN mode. Windows; shareware trial version.
    http://www.pgcalc.net/
     
  • PHP Calculators
    A collection of advanced statistical analysis calculators including averaging, histograms and sampling.
    http://calculators.stat.ucla.edu/
     
  • Pocket 16C Calculator
    HP-16C emulator calculator for Pocket PC, by Pirrama Development. Free trial download.
    http://www.pirrama.com/
     
  • Pocket Calculator
    Online calculator, written in Java. Includes Square root button and number memory. Source code can be downloaded.
    http://www.df.lth.se/~mikaelb/pocketcalc-enu.shtml
     
  • PractiCalc Windows Calculator
    PractiCalc is a calculator and conversion tool for all 32 bit windows platforms. It provides result of calculations they are typed.
    http://www.practicalc.com
     
  • Printing Calculator by Auroa Binary Systems
    Desktop printing calculator. Prints in columns and color on standard-sized paper.
    http://www.angelfire.com/biz/ccsprog/Calculators.htm
     
  • Programmable Mathematics Freeware
    Calculator and numeric system supporting permanent installation of user defined functions and libraries.
    http://members.aol.com/rf21exe/
     
  • Quadratic Equation Calculator
    Calculator for solving a general quadratic equation.
    http://www.1728.com/quadratc.htm
     
  • RPN Calculator
    This Windows programs emulates a fully programmable HP29C RPN calculator that has been augmented with linear curve fit and graphing capability. It was written to serve as a fun introduction to computer programming.
    http://www.computersciencelab.com/RPNCalc.htm
     
  • sCal and sCal2
    Small, open source (free), scientific and engineering, JavaScript-programmable calculators.
    http://scal-2.sourceforge.net
     
  • Scientific Advantage Calculator for Pocket PC
    Scientific Advantage™ is a Unit Aware™ calculator that lets you work with feet-inch-fraction dimensional values and includes advanced math functions, automatic solvers, and much more. Unit Aware™ means that you can effortlessly compute with units (not just convert).
    http://www.advantagecalculators.com/main.aspx?PID=SciProduct
     
  • Scientific and Currency Calculator
    Fully functional expression calculator. Linux/Windows versions. Free trial download.
    http://shareit1.element5.com/programs.html?productid=186383
     
  • Scientific Calculator
    Javascript calculator with basic scientific functions.
    http://www.ScientificCalculator.com/
     
  • Scientific Calculator
    Javascript scientific calculator using RPN.
    http://mypage.bluewin.ch/a-z/cusipage/scicalc.html
     
  • Scientific Calculator
    Java applet online calculator.
    http://www.mathpad.com/public/htmls/main/left/calc/CalcInfo.html
     
  • Scientific Calculator
    Includes arithmetic, square root, exponent, natural log, trigonometry functions. Also, has parenthesis and memory features.
    http://members.tripod.com/~rwedge/calculator.html
     
  • Scientific calculator with graphing capabilities
    Fornux Calculator is a scientific calculator for Windows that can plot functions and diagrams with many mathematical functions for statistics and algebra.
    http://www.fornux.com
     
  • ScriptConsole
    Mathematical calculations using scripts and commands in a console-based multiple-window interface using the Microsoft VBScript engine. Windows; shareware.
    http://www.flashpeak.com/scriptcon
     
  • Showcalc
    Calculator with scrolling tape display.
    http://www.showcalc.com/
     
  • Sicyon
    Online graphing calculator.
    http://www.sicyon.com/
     
  • Speakeasy
    A user-oriented software package that allows non-programmers the opportunity to explore the computational power of their computer. Free trial download.
    http://www.speakeasy.com/
     
  • SplineCalc
    SplineCalc is a multipurpose scientific calculator for implementation of various mathematical operations with maps (grids), data tables, lines, polygons and numbers.
    http://www.geospline.com
     
  • Syberad
    A full-function scientific calculator for Windows. Trial download.
    http://fp.syberad.plus.com/calculator/calculator.htm
     
  • Syntan - a calculator of math functions for Windows.
    A calculator of math functions based on syntax analysis with living graph. Free download.
    http://www.syntan.net/
     
  • The JavaScript Source
    A collection of JavaScript calculators to either download for incorporation to a website, or perform calculations on.
    http://javascript.internet.com/calculators/
     
  • Unit Conversion Tool
    Convert between 2200 units in 78 measurement categories. Includes units for length, mass, temperature, volume, area, speed, pressure, energy, power, force, fuel consumption, flow and torque.
    http://www.accelware.com/Unit_Conversion_Tool/
     
  • UnitMath
    Simplifies calculations involving numbers, units, and precision.
    http://unitmath.com/
     
  • URL-Calculator
    Web application that evaluates arithmetic expressions embedded in a URL.
    http://x42.com/help_urlcalc/
     
  • Volume of Partially Full Cylinders, Spheres and Cones
    Java applet for partially full cylinder (on side), sphere, and cone.
    http://www.LMNOeng.com/Volume/CylConeSphere.htm
     
  • Wahoo Software
    Financial desktop calculator.
    http://www.xmlcreate.com/
     
  • WebCalc
    Collection of free web based calculators for many subject areas.
    http://www.webcalc.net
     
  • WIRIS
    JAVA applet that allows mathematical online calculations.
    http://calculadora.edu365.com/
     
  • Wise Calculator Homepage
    Scientific and engineering calculator for Windows.
    http://www.chat.ru/~pmikh/
     
  • X-Bc - a GUI to bc
    X-Bc is desktop calculator that provides lots of functionality for scientific working. Input and output stay visble at all time for correction and comparation. It's a frontend to bc.
    http://x-bc.sourceforge.net
     
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    Calculators

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