the entire directory only in Calculators/Web-Based

See also:

• Computers: Hardware: Calculators (67)
• Recreation: Travel: Preparation: Currencies: Exchange Rates (15)
• Science: Math: Software: Calculators (46)
• Science: Reference: Units of Measurement: Online Conversion (26)

• Martindale's Calculators - A collection of calculators for the sciences, business and everyday measurements. Organized by subject area.
• ABE Volume Calculator Page - A collection of volumetric calculators for a variety of shapes. Including cylinder sphere barrel pyramid and dome.
• AbaCal - An easy to use online platform for applied mathematics which includes an online calculator, a formula library and an exchange platform.
• Alcula Scientific Calculator - An advanced online scientific calculator for students of mathematics.
• AquaCalc - Convert between various units of measurement, calculate volume and area, convert weight to volume and volume to weight, gravel and mortgage calculators.
• Area of a Circle - A simple calculator to calculate the radius, diameter, circumference, or area of a circle from a given parameter.
• Binary Calculator - An arbitrary-precision binary calculator, which adds, subtracts, multiplies, or divides integer and fractional values.
• Binary Hex Converters - Online tool for converting binary, decimal, hexadecimal and ASCII text.
• Bit Calculator - Online calculator that makes conversions between bits, bytes and it's multiples.
• Calc - Online numeral system converter. Supports decimal, hexadecimal, octal, binary numbers, ASCII characters.
• Calc Result - Provides a set of online calculators for math and physics.
• Calc.Matthen.com - Online integrator, differentiator, graph plotter and formula manipulator.
• CalcBuddy - A math resource website providing an online scientific calculator, and numerous special purpose calculators and unit converters
• CalcMachine - Easy to use online calculator and expression evaluator. It supports basic arithmetic, trigonometry and logarithmic functions.
• CalcNexus - Provides online calculators for web-enabled mobile phones and PDAs, including financial, fitness and conversion calculators.
• Calculate eigenvalues and eigenvectors - Calculator for eigenvalues and eigenvectors , Includes a test example and various options.
• Calculate for Free - Performs basic math operations, as well as square root and percentages. Includes memory save and recall.
• Calculator - Online calculators for a variety of conversions and calculations.
• Calculator Pi - Provides functions common in science and engineering. Creates a printable sequence of calculations that can be bookmarked or shared as URL.
• Calculator Soup - Free online calculators for finance, math, algebra, fractions, geometry, physics, time and statistics. Converters for common conversions.
• 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.
• Calculatoria - Online mathematical calculator with basic and scientific modes. Shows calculation history.
• 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.
• Dario Alpern's Complex Number Calculator - Computes basic operations, 1/z, pi, exponent, log, trig, and polygamma functions. Includes memory feature.
• Days Calculator - Helps to compute how many days have passed from an earlier time to the present day.
• Desmos - Online graphing calculator. Free to use, supports hundreds of simultaneous equations, and supports interactive exploration via sliders.
• 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.
• Encalc - Free online scientific calculator supporting formulas and unit calculations.
• Equalsto - Offers an online calculator and a multi function unit converter.
• Free Online Calculator - Free online calculator use for decision making, discovery and learning.
• Free Online Spreadsheet Calculator - Free online spreadsheet calculator has an estimating and budgeting form that shows all your calculations and allows you to print and save results.
• GCalc -- Java Mathematical Graphing System - Free online graphing calculator for education use with 2d, 3d, cartesian, polar, calculus, differential equations, scientific, implicit function components.
• 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 bandwidth.
• JavaScript Calculator Online - An easy to use online calculator based on the JavaScript function eval().
• Math Calculators Online - Math online calculators and solvers for problems including polynomial equations, rational expressions, systems of equations, matrices, complex numbers, and analytic geometry.
• Math Fest - A list of online basic, scientific, graphing, CAS and business calculators with thumbnails and a short description.
• Meta Calculator- Online Graphing Calculator - Free calculator graphs up to 5 equations, finds intersections and lets you save picture of graph to your computer.
• Monachos Calculators - Online calculators with variety of engineering functions, including unit conversion, periodic table, piping applications, and electrical applications.
• Ncalculators - The collection of web based calculators, includes finance and maths calculators.
• Online Calculator - Offers Basic, Scientific, BMI, Currency, Credit and Decimal calculators.
• Online Calculator - Includes simple math calculator , scientific calculator and 2-d graphing calculator.
• Online Matrix Calculator - Calculates matrix determinant and inverse. Performs LU, Cholesky, QR, SVD decompositions. Calculates eigenvalues and eigenvectors.
• Online Scientific Calculator - Free scientific calculator for mathematics, physics and engineering. It includes support for fraction, base conversion, matrix, equation solver and advanced functions.
• Online calculator with history - Simple online calculator with a list of your calculation history.
• Percent Change Calculator - Measures the difference in value using percentages. Includes bar graphs with the answer.
• Percentage Calculator - Percentage Calculator is a free online tool to perform all kind of percentage calculations.
• Pocket Calculator - Calculator written in Java. Includes square root button and number memory. Source code can be downloaded.
• Quadratic Equation Calculator - Calculator for solving a general quadratic equation.
• ScatterMall.com - Free calculators for science, travel, students, health, education, weather, math, and business. Includes graphing calculators and measurement conversions.
• Scientific Calculator - Java applet online calculator.
• Scientific Calculator - Javascript calculator with basic scientific functions.
• Shannon entropy calculator - Shannon entropy allows to estimate the average minimum number of bits needed to encode a string of symbols based on the alphabet size and the frequency of the symbols.
• Solve My Math - Collection of online math calculators for algebra, calculus, statistics and more.
• Square Root Calculator - Interactive square root calculator that can handle negative, imaginary, and complex numbers.
• Stack Scientific Calculator RPN - Javascript scientific calculator using RPN.
• The Number Empire - A collection of online calculators, including prime number finder, fraction solver, and solution finder for calculus equations.
• Web 2.0 Scientific Calculator - Free online scientific notation calculator. Functions include math expressions, plots, unit converter, equation solver, complex numbers and calculation history.
• Wolfram Mathematica: Online Integrator - Free integration solver that also does derivatives, equations and plots.
• eCalc - eCalc is a free and easy to use online scientific calculator.
• iFigure - Guide to online calculators, including those designed for home, travel, finance, health, and small business.

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