Web Directory

» ABE Volume Calculator Page
   A collection of volumetric calculators for a variety of shapes. Including cylinder sphere barrel pyramid and dome.
   http://grapevine.abe.msstate.edu/~fto/tools/vol/index.html

» AJAX Calculator
   Offers evaluation of math expressions that have been input by the user.
   http://www.matheclipse.org/jamwiki/en/Special:Calc

» AbaCal Beta
   Free online math calculator with formula library. Provides a getting started document to help run abaCal and use its full potential.
   http://www.abacal.com/

» Avasmath 80
   Online programable scientific calculator with scientific functions and replayable calculations.
   http://csetneki.hu/calc/

» Binary Hex Converters
   Online tool for converting binary, decimal, hexadecimal and ASCII text.
   http://www.binaryhexconverter.com/

» Bit Calculator
   Online calculator that makes conversions between bits, bytes, kilobits, kilobytes, megabits, megabytes, gigabits, gigabytes, terabits, terabytes, petabits, petabytes, exabits, exabytes, zettabits, zettabytes, yottabits, yottabytes.
   http://www.bit-calculator.com

» Calc
   This tool allows you to convert the same number between its representations under different number systems, such as decimal, hexadecimal, octal and binary numeric systems.
   http://calc.50x.eu/

» Calc Result
   Provides a set of online calculators for math and physics.
   http://www.calcresult.com

» Calc.Matthen.com
   Online integrator, differentiator, graph plotter and formula manipulator.
   http://calc.matthen.com

» CalcMachine
   Easy to use online calculator and expression evaluator. It supports basic arithmetic, trigonometry and logarithmic functions.
   http://www.calcmachine.com

» CalcNexus
   Provides online calculators for web-enabled mobile phones and PDAs, including financial, fitness and conversion calculators.
   http://calcnexus.com/

» Calculate Now
   A collection of online calculators for science, business and everyday living
   http://www.calculatenow.biz

» Calculate for Free
   Performs basic math operations, as well as square root and percentages. Includes memory save and recall.
   http://www.calculateforfree.com/

» Calculator
   Online calculators for a variety of conversions and calculations.
   http://www.calculator.com/

» Calculator City
   Includes tools to solve equations like for velocity, density, financial, geometry, algebra, calculus, astronomy, chemistry, physics and webpage color coders. Also, has trivia fact pages, such as state demographics and presidents.
   http://www.1728.com/

» Calculator Soup
   Free online calculators for finance, math, algebra, fractions, geometry, physics, time and statistics. Converters for common conversions.
   http://www.calculatorsoup.com/

» Calculator Tab
   Free scientific online calculator, which includes long-term memory, trigonometric functions, logarithmic functions, brackets and the modulo operation. It can be opened in a small pop-up window and includes a user guide.
   http://www.calculator-tab.com

» Calculator for Eigenvalues and Eigenvectors
   Includes a test example and various options.
   http://www.arndt-bruenner.de/mathe/scripts/engl_eigenwert.htm

» Calculatoredge
   Provides several online calculator tools for solving complex equations and formulas in the fields of mechanical, electrical and chemical engineering, physics, math, electronics, metallurgy and finance.
   http://www.calculatoredge.com

» Cleave Books - Specialist Calculators
   Features converters for perimeter measurements of geometric figures, fractions, percentages, number bases, loan repayments, growth and decay, cost of living index, fuel consumption, flow rate, specific energy, viscocity, and heat capacity.
   http://www.cleavebooks.co.uk/scol/index.htm

» Coggit
   Provides online calculation and conversion tools for math, currency and tax.
   http://www.coggit.com

» Convertalot
   Collection of free Java measurements converters, calculators, and unit translators.
   http://www.convertalot.com/

» Coount.com
   Free online step-by-step java scientific calculator.
   http://www.coount.com

» Country Distance Calculator
   Calculates distance between any two cities for selected country and locates them on the Map. Driving directions are also available for some of the countries.
   http://distancecalculator.globefeed.com

» Dario Alpern's Complex Number Calculator
   Computes basic operations, 1/z, pi, exponent, log, trig, and polygamma functions. Includes memory feature.
   http://www.alpertron.com.ar/CALC.HTM

» Days Calculator
   Helps to compute how many days have passed from an earlier time to the present day.
   http://www.days-calculator.com/

» Decimal/Binary Converter
   An arbitrary-precision, decimal to binary and binary to decimal converter, which converts both integer and fractional values.
   http://www.exploringbinary.com/binary-converter/

» DigitConvert
   Convert to and from any number base with radix points. Also add, subtract, multiply, and divide numbers of any base and output to any base.
   http://www.digitconvert.com

» Encalc
   Free online scientific calculator supporting formulas and unit calculations.
   http://www.encalc.com/

» EngNet Engineering Units Converter
   Online calculator provides conversions between a number of common (and not so common) units.
   http://www.engnetglobal.com/tips/convert.asp

» Equalsto
   Offers an online calculator and a multi function unit converter.
   http://equalsto.com

» Function Grapher
   Graph functions in 2D, 3D and polar coordinate system. Up to 3 functions in a single graph.
   http://www.function-grapher.com

» 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

» Hiox Calculator & Converter
   Features calculators for arithmetic functions, scientific computations, binary conversions, areas, financial interest, prime numbers, recurring fractions, factoring, matrices, HEX color converter, date and day calculations, as well as for measuring bandwi
   http://www.easycalculation.com/

» Lovely Calculators
   Provides a range of calculators for banking and finance, astrology, health and fitness and temperature conversion.
   http://lovelycalculators.com/

» Math Fest
   A list of online basic, scientific, graphing, CAS and business calculators with thumbnails and a short description.
   http://mathfest.wikispaces.com/Online%2bCalculators

» Mathator Calculator
   Online application designed for performing mathematical and scientific calculations. It can also plot graphs and handle matrices and functions from it owns library.
   http://www.mathator.com

» Matrix Calculator
   Online Java calculator for matrix operations.
   http://mathematics.ifrance.com/index_gb.htm

» 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

» Online Calculator
   A collection of online calculators
   http://calculator-online.info/

» Online Matrix Calculator
   Calculates matrix determinant and inverse. Performs LU, Cholesky, QR, SVD decompositions. Calculates eigenvalues and eigenvectors.
   http://www.bluebit.gr/matrix-calculator

» Online Scientific Calculator
   Free scientific calculator for mathematics, physics and engineering. It includes support for fraction, base conversion, matrix, equation solver and advanced functions.
   http://www.online-scientific-calculator.com

» Percent Change Calculator
   Measures the difference in value using percentages. Includes bar graphs with the answer.
   http://www.percent-change.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
   Calculator and conversion tool for all Windows platforms. It provides the result of calculations as they are typed in.
   http://www.practicalc.com

» Quadratic Equation Calculator
   Calculator for solving a general quadratic equation.
   http://www.1728.com/quadratc.htm

» ScatterMall.com
   Free calculators for science, travel, students, health, education, weather, math, and business. Includes graphing calculators and measurement conversions.
   http://scattermall.com/freetools/

» Scientific Calculator
   Javascript calculator with basic scientific functions.
   http://www.creativearts.com/scientificcalculator/

» Sicyon
   Online graphing calculator.
   http://www.sicyon.com/

» Stack Scientific Calculator RPN
   Javascript scientific calculator using RPN.
   http://homepage.bluewin.ch/cusipage/scicalc.html

» Tampile Temperature Conversion
   Converts a temperature from Celsius, Fahrenheit, Kelvin or Rankine.
   http://www.tampile.com

» The Number Empire
   A collection of online calculators, including prime number finder, fraction solver, and solution finder for calculus equations.
   http://www.numberempire.com/

» Web 2.0 Scientific Calculator
   Free online scientific notation calculator. Functions include math expressions, plots, unit converter, equation solver, complex numbers and calculation history.
   http://web2.0calc.com/

» Wolfram Mathematica: Online Integrator
   Free integration solver that also does derivatives, equations and plots.
   http://integrals.wolfram.com/

» eCalc
   Free online calculator that supports both a basic and advanced scientific mode. It includes support for the following features: complex numbers, unit conversion, base conversion, decimal to fraction, RPN and algebraic modes and equation solver.
   http://www.ecalc.com

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