
Scientific Calculator (Popularity: )
http://www.ScientificCalculator.com/
Javascript calculator with basic scientific functions.


Date Calculator (Popularity: )
http://www.datecalculator.com/
Perform date math, calculate date differences, and organize data and events.


WIRIS (Popularity: )
http://www.wiris.com/
Java applet that allows mathematical online calculations. Excellent tool for high school and first years of university integrals, derivatives, limits 2d and 3d graphics matrix manipulation, physical units....


Archimede  an enhanced RPN & algebric calculator (Popularity: )
http://mcz.altervista.org
A powerful calculator for Linux. Algebric, RPN, vectors, matrices, quaternions, System, equations, complex numbers, solution of triangles, measure conversion, etc. etc. License GPL.


Sicyon (Popularity: )
http://www.sicyon.com/
Online graphing calculator.


iFigure (Popularity: )
http://www.ifigure.com/
Guide to online calculators, including those designed for home, travel, finance, health, and small business.


16 function webpage calculator (Popularity: )
http://www.onlinecalculator.info
Scientific web page calculator, written in JavaScript.


Wahoo Software (Popularity: )
http://www.xmlcreate.com/
Financial desktop calculator.


UnitMath (Popularity: )
http://unitmath.com/
Simplifies calculations involving numbers, units, and precision.


Jason's Calculator (Popularity: )
http://calculator.8m.net/
The homepage for an easy to use multipurpose shareware calculator.


Big Integer Numbers Calculator (Popularity: )
http://www.bigcalc.scriptmania.com/
Free download big integer numbers calculator.


PALM OS Calculator (Popularity: )
http://www.c4calc.com
The calculator is being provided in several versions, depending on the tasks to solve.


Online Calculator For Business, Health, and Math (Popularity: )
http://www.freeonlinecalculatoruse.com/
Provides online calculator use for calculating financial solutions. Includes tools for getting out of debt, budgeting, retiring and buying a home. Online calculator collection for calculating answers to problems related ...


The Mathomatic Computer Algebra System (Popularity: )
http://www.mathomatic.org
Mathomatic is an online and downloadable algebra calculator for any operating system or web browser. It is a free, portable, generalpurpose Computer Algebra System (CAS), written in C, that can ...


gNumerator (Popularity: )
http://numerator.sourceforge.net
A interactive computer math system that uses standard JavaScript as the scripting language, and a collection of reusable math oriented components such as a complete MathML DOM implementation, and a ...


PG Calculator (Popularity: )
http://www.pgcalc.net/
A scientific calculator with full customizable user interface. Aalgebraic and RPN mode. Windows; shareware trial version.


sCal and sCal2 (Popularity: )
http://scal2.sourceforge.net
Small, open source (free), scientific and engineering, JavaScriptprogrammable calculators.


Pocket 16C Calculator (Popularity: )
http://www.pirrama.com/
HP16C emulator calculator for Pocket PC, by Pirrama Development. Free trial download.


XBc  a GUI to bc (Popularity: )
http://xbc.sourceforge.net
XBc 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.


Slide.exe (Popularity: )
http://www.sliderule.demon.co.uk/
Slide rule program.
