Directory of Web-Based Resources

Home > Science > Math > Calculators > Web-Based

Online calculators are used to perform either simple or complex mathematical operations. These can be accessed online without having to download. They quite often use either JavaScript or Java code.

Subcategories

• Chemical Engineering

Resources in This Category

• A Calculator

  http://www.a-calculator.com/
  A basic online calculator similar to many electronic calculators.

• A Mobile Computational Platform

  http://rapidcalculator.com/
  Offers a mobile computing platform for mobile devices and web.

• AbaCal

  http://www.abacal.com/
  An easy to use online platform for applied mathematics which includes an online calculator, a formula library and an exchange platform.

• Alcula Scientific Calculator

  http://www.alcula.com/calculators/scientific-calculator/
  An advanced online scientific calculator for students of mathematics.

• AquaCalc

  http://www.aqua-calc.com/
  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

  http://www.area-of-a-circle.com/
  A simple calculator to calculate the radius, diameter, circumference, or area of a circle from a given parameter.

• Binary Calculator

  http://www.exploringbinary.com/binary-calculator/
  An arbitrary-precision binary calculator, which adds, subtracts, multiplies, or divides integer and fractional values.

• Binary Hex Converters

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

• Bit Calculator

  http://www.bit-calculator.com/
  Makes conversions between bits, bytes and its multipliers.

• Calc

  http://calc.50x.eu/
  Online numeral system converter. Supports decimal, hexadecimal, octal, binary numbers, ASCII characters.

• Calc Result

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

• CalcBuddy

  http://calcbuddy.com/
  A math resource website providing an online scientific calculator, and numerous special purpose calculators and unit converters

• CalcMachine

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

• CalcNexus

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

• Calculate Eigenvalues and Eigenvectors

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

• Calculate for Free

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

• Calculator

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

• Calculator Pi

  http://calculatorpi.com/
  Provides functions common in science and engineering. Creates a printable sequence of calculations that can be bookmarked or shared as URL.

• Calculator Soup

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

• Calculator Tab

  http://www.calculator-tab.com/
  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. [Modern GUI, Adobe-Flash based]

• Calculator.pro

  http://calculator.pro/
  Calculators for basic, scientific, BMI, currency, credit, dec-hex-oct-bin, pregnancy, and ovulation. Simple GUI, JavaScript based.

• Calculatoria

  http://www.calculatoria.com/
  Online mathematical calculator with basic and scientific modes. Shows calculation history.

• Calculla

  http://calculla.com/
  The set of tools and tables used for calculating different math (and non-math) problems.

• Cleave Books - Specialist Calculators

  http://www.cleavebooks.co.uk/scol/index.htm
  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

  http://www.alpertron.com.ar/CALC.HTM
  Computes basic operations, 1/z, pi, exponent, log, trig, and polygamma functions. Includes memory feature.

• Days Calculator

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

• Desmos

  https://www.desmos.com/
  Online graphing calculator. Free to use, supports hundreds of simultaneous equations, and supports interactive exploration via sliders.

• eCalc

  http://www.eeweb.com/toolbox/calculator
  A free online scientific calculator, and conversion of length units.

• Equalsto

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

• Fraction Simplifier

  http://fractionsimplifier.com/
  Online tools for fast simplifying fractions and mixed numbers.

• Free Online Calculator

  http://www.free-online-calculator-use.com/
  Free online calculator use for decision making, discovery and learning.

• Free Online Spreadsheet Calculator

  http://www.mathtool400.com/
  Free online spreadsheet calculator has an estimating and budgeting form that shows all your calculations and allows you to print and save results.

• Fuel Cost Calculator

  http://www.carprousa.com/fuel-cost-calculator/
  Calculates fuel cost based on inputted parameters.

• GCalc

  http://gcalc.net/
  Free online graphing calculator for education use with 2d, 3d, cartesian, polar, calculus, differential equations, scientific, implicit function components.

• Hiox Calculator & Converter

  http://www.easycalculation.com/
  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.

• iFigure

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

• JavaScript Calculator Online

  http://www.christersvensson.com/calculator/
  An easy to use online calculator based on the JavaScript function eval().

• Martindale's Calculators

  http://www.martindalecenter.com/Calculators.html
  A collection of calculators for the sciences, business and everyday measurements. Organized by subject area.

• Math Calculators Online

  http://www.mathportal.org/calculators.php
  Math online calculators and solvers for problems including polynomial equations, rational expressions, systems of equations, matrices, complex numbers, and analytic geometry.

• Math Fest

  http://mathfest.wikispaces.com/Online+Calculators
  A list of online basic, scientific, graphing, CAS and business calculators with thumbnails and a short description.

• meta-calculator

  http://www.meta-calculator.com/
  Free calculator graphs up to 5 equations, finds intersections and lets you save picture of graph to your computer.

• Online Matrix Calculator

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

• Percent Change Calculator

  http://www.percent-change.com/
  Measures the difference in value using percentages. Includes bar graphs with the answer.

• Quadratic Equation Calculator

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

• Scientific Calculator

  http://www.mathpad.com/public/htmls/main/left/calc/CalcInfo.html
  Java applet online calculator.

• Scientific Calculator

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

• Shannon entropy calculator

  http://www.shannonentropy.netmark.pl/
  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

  http://www.solvemymath.com/
  Collection of online math calculators for algebra, calculus, statistics.

• Square Root Calculator

  http://www.squarerootcalculator.co/
  Interactive square root calculator that can handle negative, imaginary, and complex numbers.

• The Number Empire

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

• Tip Calculator

  http://www.cantmath.com/
  Mobile friendly tip calculator which shows exactly what to put on your receipt.

• Web 2.0 Scientific Calculator

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

• WebMATH

  http://www.webmath.com/
  Collection of simple calculators for general math, algebra, plots and geometry, trig. and calculus.

• Wolfram Mathematica: Online Integrator

  http://integrals.wolfram.com/
  Free integration solver that also does derivatives, equations and plots.

Related Categories

• Home > Computers > Hardware > Calculators
• Home > Recreation > Travel > Preparation > Currencies > Exchange Rates
• Home > Science > Math > Software > Calculators
• Home > Science > Reference > Units of Measurement > Online Conversion

 

Home > Science > Math > Calculators > Web-Based

 

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