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Science > Math > Software > Calculators

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	Calculator.org - http://www.calculator.org/ Calculator resources including free download of scientific engineering, statistical, and financial calculators.
	http://www.ifigure.com/ - http://www.ifigure.com/ Guide to online calculators, including those designed for home, travel, finance, health, and small business.
	Constructive Reals Calculator - http://www.hpl.hp.com/personal/Hans_Boehm/crcalc/CRCalc.html An RPN calculator applet and supporting Java library.
	http://www.webcalc.net - http://www.webcalc.net Collection of free web based calculators for many subject areas.
	http://www.sicyon.com/ - http://www.sicyon.com/ Online graphing calculator.

	Online Matrix Calculator - http://www.bluebit.gr/matrix-calculator Calculates matrix determinant and inverse. Performs LU, Cholesky, QR, SVD decompositions. Calculates eigenvalues and eigenvectors.
	gNumerator - http://numerator.sourceforge.net 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.
	Easy Date Converter - http://www.hermetic.ch/edc/edc.htm 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.
	Scientific Calculator - http://www.creativearts.com/scientificcalculator/ Javascript calculator with basic scientific functions.
	Unit Conversion Tool - http://www.accelware.com/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.

	Pocket Calculator - http://www.df.lth.se/~mikaelb/pocketcalc-enu.shtml Online calculator, written in Java. Includes Square root button and number memory. Source code can be downloaded.
	Speakeasy - http://www.speakeasy.com/ A user-oriented software package that allows non-programmers the opportunity to explore the computational power of their computer. Free trial download.
	GCalc -- Java Mathematical Graphing System - http://gcalc.net Free online graphing calculator for education use with 2d, 3d, cartesian, polar, calculus, differential equations, scientific, implicit function components.
	SymbMath - http://www.symbmath.com/ Online calculator, math handbook, symbolic math and Computer Algebra System.
	http://calculadora.edu365.com/ - http://calculadora.edu365.com/ JAVA applet that allows mathematical online calculations.

	Monachos Calculators - http://www.monachos.gr/eng/calculators/calculators.htm Online calculators with variety of engineering functions, including unit conversion, periodic table, piping applications, and electrical applications.
	Calculator Directory - http://www.pc-calculators.com Extensive variety of software calculators collected in one directory. Scientific, graphing, loan and mortgage, currency and conversion calculators.
	http://www.encalc.com/ - http://www.encalc.com/ Free online scientific calculator supporting formulas and unit calculations.
	efg's Computer Lab: Cyclic Redundancy Code Calculator - http://www.efg2.com/Lab/Mathematics/CRC.htm Lab Report about computing CRC-16 and CRC-32 values using Delphi. Includes links and literature references.
	Volume of Partially Full Cylinders, Spheres and Cones - http://www.lmnoeng.com/Volume/CylConeSphere.htm Java applet for partially full cylinder (on side), sphere, and cone.

	3gr Technologies - http://www.3grtech.com/ Sells calculator software for engineers, businesses, and science. Applications for PCs, Apple IPhones, and smartphones.
	Calculators by Ken - http://www3.sympatico.ca/prentice Reference programs written in VB3. Includes common mathematical formulas.
	http://ttcalc.sourceforge.net/ - http://ttcalc.sourceforge.net/ An open source mathematical calculator. Features include arithmetical, trigonometric, inverse trigonometric, hyperbolic and inverse hyperbolic functions, logical operators and logarithms.
	http://www.syntan.net/ - http://www.syntan.net/ A calculator of math functions based on syntax analysis with living graph. Free download.
	Fung-Calc - Graphing Calculator - http://fung-calc.sourceforge.net 2D and 3D graphing calculator for Linux with multiple graphing modes.

	PG Calculator - http://www.pgcalc.net/ A scientific calculator with full customizable user interface. Aalgebraic and RPN mode. Windows; shareware trial version.
	http://www.binarythings.com/hidigit/ - http://www.binarythings.com/hidigit/ Powerful calculator for students and teachers. Five number systems, full complex numbers support, and 15-digit maximum precision.
	Multi-Function Calculator - http://www.rjsoftware.com/FNA/ Multi-function shareware calculator, and unit conversion utility for Windows. Four modes of operation: statistics, trigonomety, base-n, and unit conversion.
	X-Bc - a GUI to bc - http://x-bc.sourceforge.net 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.
	RPN Calculator - http://www.computersciencelab.com/RPNCalc.htm 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.

	Calculator Express Math Formulas - http://www.calcexpress.com/ Includes arithmetic, mortgage and currency exchange processing features. Uses a dialog box and icons for input.
	Online Calculator - http://calculator-online.info/ A collection of online calculators
	Scientific Online Calculator - http://poks.org/calculator.html Online math calculator with lots of Scientific functions very easy to use.
	DreamCalc Pro - http://www.dreamcalc.com/ Photo-realistic scientific and financial calculator for Windows. Free trial download.
	Runiter Company - http://calculator.runiter.com Provides a scientific calculator and graphing calculator to download or try online.

	Wahoo Software - http://www.xmlcreate.com/ Financial desktop calculator.
	Vorwerk & Stengel GbR - http://www.vorwerk-stengel.de Offers RealCalculator, a scientific calculator and function plotter. German and English.
	sCal and sCal2 - http://scal-2.sourceforge.net Small, open source (free), scientific and engineering, JavaScript-programmable calculators.
	BAC Computer Software - http://www.bacsoftware.co.uk/fcalc1/ 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.
	Date Calculator - http://www.datecalculator.com/ Perform date math, calculate date differences, and organize data and events.

	Fornux PowerCalc-GX - http://www.fornux.com A scientific calculator for Windows that can plot functions and diagrams with many mathematical functions for statistics and algebra.
	Archimede - http://mcz.altervista.org/index_in.html A powerful calculator for Linux. Algebric, RPN, vectors, matrices, quaternions, System, equations, complex numbers, solution of triangles, measure conversion. License GPL.
	PractiCalc Windows Calculator - http://www.practicalc.com PractiCalc is a calculator and conversion tool for all 32 bit windows platforms. It provides result of calculations they are typed.
	5000 Digit Calculator - http://gvhome.001webs.com/bcalc.htm A calculator that takes calculations out to many, many digits.
	UnitMath - http://unitmath.com/ Simplifies calculations involving numbers, units, and precision.

	My Ten Key - http://www.mytenkey.com/ A realistic ten key calculator designed by a CPA.
	Matrix Calculator - http://members.shaw.ca/mtx/matrix.htm Calculator for basic matrix operations. A demo version download is available.
	Printing Calculator by Auroa Binary Systems - http://www.angelfire.com/biz/ccsprog/Calculators.htm Desktop printing calculator. Prints in columns and color on standard-sized paper.
	1st Calculator - http://www.romanlab.com/1stcalc/ Scientific calculator.
	GoldfishSoft - http://homepage.mac.com/goldfish1/ Free software for the Macintosh. FrakKalk, the newest GoldfishSoft Program, is a fraction calculator for Mac OS X.

	Jason's Calculator - http://sourceforge.net/projects/calculator123/ Open source calculator application for the Windows platform.
	High Precision JavaScript Calculator - http://www.petting-zoo.org/Calculator.html A JavaScript Calculator that adds, subtracts and multiplies fairly large numbers. Functions are added in my copious free time.
	http://www.addsup.net - http://www.addsup.net PC function calculator that operates in Windows.
	Online Calculators - http://www.online-calculators.co.uk A collection of everyday use calculators and converters written in Javascript and PHP, available to use and download.
	Scientific Advantage Calculator for Pocket PC - http://www.advantagecalculators.com/main.aspx?PID=SciProduct Calculator works with feet-inch-fraction dimensional values and includes advanced math functions, and automatic solvers.

	Pocket 16C Calculator - http://www.pirrama.com/ HP-16C emulator calculator for Pocket PC, by Pirrama Development. Free trial download.
	Command-line Calculator for tcsh/bash/zsh - http://home3.inet.tele.dk/frda/src/calc_tip.html Guide on how to create a simple command-line calculator for the tcsh, bash and zsh shells.
	Linear Algebra Calculator - http://www.angelfire.com/space/matrixcalc/ mcalcdos is a free command line linear algebra calculator capable of matrix, vector and polynomial operations in real and complex fields.
	ScriptConsole - http://www.flashpeak.com/scriptcon Mathematical calculations using scripts and commands in a console-based multiple-window interface using the Microsoft VBScript engine. Windows; shareware.
	Online Expression Calculator - http://www.calcmachine.com/online-calculator.php Supports basic arithmetic, trigonometric and logarithmic functions.

	Pc Calculator - http://pc-calculator.sourceforge.net/ Provides a note and formula editor combined with an advanced scientific calculator.
	http://homepage.mac.com/sobrietyhighwest/svgcalc/ - http://homepage.mac.com/sobrietyhighwest/svgcalc/ A scientific graphing calculator that runs in W3C-compliant web browsers. Features calculations, graph functions, inequalities or data sets, differentiation or integration.
	Quadratic Equation Calculator - http://www.1728.com/quadratc.htm Calculator for solving a general quadratic equation.
	AbaCal Beta - http://www.abacal.com/ Free online math calculator with formula library. Provides a getting started document to help run abaCal and use it's full potential.
	Bit Calculator - http://www.bit-calculator.com Online calculator that makes conversions between bits, bytes, kilobits, kilobytes, megabits, megabytes, gigabits, gigabytes, terabits, terabytes, petabits, petabytes, exabits, exabytes, zettabits, zettabytes, yottabits, yottabytes.

	Formula Suite - http://formulasuite.com/ Home of the TI-89 math program Formula Suite 2005 along with other related math programs for TI calculators.
	16 Function Webpage Calculator - http://www.onlinecalculator.info Scientific web page calculator, written in JavaScript.
	Matrix Calculator - http://mathematics.ifrance.com/index_gb.htm Online Java calculator for matrix operations.
	Haxial Calculator - http://www.haxial.com/products/calculator/ High precision calculator with unit and radix converters. Requires payment after the free trial.
	EngCalc Calculator - http://engcalc.relicad.com 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.

	Wise Calculator Homepage - http://pmikh.chat.ru/ Scientific and engineering calculator for Windows.
	Stack Scientific Calculator RPN - http://homepage.bluewin.ch/cusipage/scicalc.html Javascript scientific calculator using RPN.
	Scientific Calculator - http://www.mathpad.com/public/htmls/main/left/calc/CalcInfo.html Java applet online calculator.
	Jason's Calculator - http://calculator.8m.net/ The homepage for an easy to use multipurpose shareware calculator.

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