- Scientific Calculator - http://www.ScientificCalculator.com/
Javascript calculator with basic scientific functions.
- iFigure - http://www.ifigure.com/
Guide to online calculators, including those designed for home, travel, finance, health, and small business.
- Maximath - http://www.linesofcomm.demon.co.uk/
Graphing calculator. Includes matrix editor and unit conversions.
- URL-Calculator - http://x42.com/help_urlcalc/
Web application that evaluates arithmetic expressions embedded in a URL.
- UnitMath - http://unitmath.com/
Simplifies calculations involving numbers, units, and precision.
- Showcalc - http://www.showcalc.com/
Calculator with scrolling tape display.
- Scientific Calculator - http://mypage.bluewin.ch/a-z/cusipage/scicalc.html
Javascript scientific calculator using RPN.
- Wahoo Software - http://www.xmlcreate.com/
Financial desktop calculator.
- Scientific Calculator - http://www.mathpad.com/public/htmls/main/left/calc/CalcInfo.html
Java applet online calculator.
- Calculator.org - http://www.calculator.org/
Calculator resources including free download of scientific engineering, statistical, and financial calculators.
- Sicyon - http://www.sicyon.com/
Online graphing calculator.
- 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.
- Matrix Calculator - http://www.ifrance.com/mathematics/index_gb.htm
Online Java calculator for matrix operations.
- Constructive Reals Calculator - http://www.hpl.hp.com/personal/Hans_Boehm/crcalc/CRCalc.html
An RPN calculator applet and supporting Java library.
- 1st Calculator - http://www.romanlab.com/1stcalc/
Scientific calculator.
- WIRIS - http://calculadora.edu365.com/
JAVA applet that allows mathematical online calculations.
- MathServ Calculus ToolKit - http://math.vanderbilt.edu/~pscrooke/toolkit.shtml
Online calculators for several calculus functions.
- Calculators by Ken - http://www3.sympatico.ca/prentice
Reference programs written in VB3. Includes common mathematical formulas.
- Kalculator for KDE 1.0 - http://www.mujweb.cz/www/mirza
Evaluates mathematical expressions. Includes history feature, function-pick window, and help. Variables and hex numbers are also supported.
- 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.
- Date Calculator - http://www.datecalculator.com/
Perform date math, calculate date differences, and organize data and events.
- 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.
- College Financial Calculator - http://i98davsc.island.liu.se/
Online financial calculator that determines NPV, IRR, MIRR, PV, FV and amortization schedules.
- Akapa Math Calculator - http://www.akapa.com/calculator.html
Free software calculator with scrolling tape, financial mode, fractional number (e.g. 1 3/4), and other advanced features.
- 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.
- VPCalc - http://pw1.netcom.com/~hjsmith/Calc.html
Variable-precision floating decimal calculator programmes by Harry Smith.
- Advanced Converter - http://www.mathterra.com/
Program for conversion between units of measurements.
- DateCalculator - http://www.joesoft.net/
DateCalculator v3.1.0 by Joesoft
- 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.
- Calculator Express Math Formulas - http://www.calcexpress.com/
Includes arithmetic, mortgage and currency exchange processing features. Uses a dialog box and icons for input.
- Programmable Mathematics Freeware - http://members.aol.com/rf21exe/
Calculator and numeric system supporting permanent installation of user defined functions and libraries.
- Scientific Calculator - http://members.tripod.com/~rwedge/calculator.html
Includes arithmetic, square root, exponent, natural log, trigonometry functions. Also, has parenthesis and memory features.
- PALM OS Calculator - http://www.c4calc.com
The calculator is being provided in several versions, depending on the tasks to solve.
- 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.
- Analysis, a Tool Dedicated to Calculus - http://www.geocities.com/leibowitz.geo/analysis_en.html
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
- AddsUp - http://www.addsup.net
PC function calculator that operates in Windows.
- Jason's Calculator - http://calculator.8m.net/
The homepage for an easy to use multipurpose shareware calculator.
- 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.
- 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.
- 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.
- WebCalc - http://www.webcalc.net
Collection of free web based calculators for many subject areas.
- sCal and sCal2 - http://scal-2.sourceforge.net
Small, open source (free), scientific and engineering, JavaScript-programmable calculators.
- GCalc - http://humblestar.net/GCalc
An online graphing calculator Java applet.
- Easy Date Converter - http://www.hermetic.ch/cal_sw/calconv/calconv.htm
Conversion program that gives the day of the week for a given date.
- PAPCW - http://public.planetmirror.com/pub/cug/vol_400/468_01.zip
Programmable arbitrary precision RPN calculator. Zip file, download will start immediately.
- 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.
- ESBCalc Pro Home Page - http://www.esbconsult.com/esbcalc/esbcalcpro.html
Scientific calculator with many features including Paper Trail. Windows32. Free trial download.
- Scientific and Currency Calculator - http://shareit1.element5.com/programs.html?productid=186383
Fully functional expression calculator. Linux/Windows versions. Free trial download.
- Syberad - http://fp.syberad.plus.com/calculator/calculator.htm
A full-function scientific calculator for Windows. Trial download.
- PG Calculator - http://www.pgcalc.net/
A scientific calculator with full customizable user interface. Aalgebraic and RPN mode. Windows; shareware trial version.
- 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.
- Pocket 16C Calculator - http://www.pirrama.com/
HP-16C emulator calculator for Pocket PC, by Pirrama Development. Free trial download.
- 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.
- Haxial Calculator - http://www.haxial.com/products/calculator/
High precision calculator with unit and radix converters.
- 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.
- 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.
- HiDigit - http://www.binarythings.com/hidigit/
Powerful calculator for students and teachers. Five number systems, full complex numbers support, and 15-digit maximum precision.
- Online Matrix Calculator - http://www.bluebit.gr/matrix-calculator
Calculates matrix determinant and inverse. Performs LU, Cholesky, QR, SVD decompositions. Calculates eigenvalues and eigenvectors.
- Math Expression Calculator - http://www.mathbay.com/products/mathexp/
Evaluates mathematical expressions involving multiple variables. Offers product description, screen shots and user guide.
- The JavaScript Source - http://javascript.internet.com/calculators/
A collection of JavaScript calculators to either download for incorporation to a website, or perform calculations on.
- SplineCalc - http://www.geospline.com
SplineCalc is a multipurpose scientific calculator for implementation of various mathematical operations with maps (grids), data tables, lines, polygons and numbers.
- Scientific Advantage Calculator for Pocket PC - http://www.advantagecalculators.com/main.aspx?PID=SciProduct
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).
- Calcs4 online calculations - http://www.calcs4.com
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 calcs4 community.
- 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.
- 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.
- 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.
- 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.
- 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.
- Harculator - http://www.harculator.com
Fully functional graphing calculator built around the Microsoft Office suite.
- 5000 digit calculator - http://www.gc3.co.uk/bcalc.htm
A calculator that takes calculations out to many, many digits
- Online Area Calculator - http://www.maths.hscripts.com/maths.php
Online area calculator. Area of the 2d objects square, circle, triangle, parallelogram, rectangle, trapezium, sector. Dynamic calculations.
- DreamCalc Pro - http://www.dreamcalc.com/
Photo-realistic scientific and financial calculator for Windows. Free trial download.
- 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.
- CLK-Calculator - http://www.clk-calculator.de/
RPN Calculator with unit conversion and matirx calculator. Functions for vectors and complex numbers and a function-plotter.
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