
Chemical Engineering 5
 
Calculators  Accessories, Electronics, Consumer Goods and Services, Business 0
Calculators  Hardware, Computers 69
Exchange Rates  Currencies, Preparation, Travel, Recreation 18
Calculators  Software, Math, Science 58
Martindale's CalculatorsMartindale's Calculators
A collection of calculators for the sciences, business and everyday measurements. Organized by subject area.

AbaCal BetaAbaCal Beta
Free online math calculator with formula library. Provides a getting started document to help run abaCal and use its full potential.

ABE Volume Calculator PageABE Volume Calculator Page
A collection of volumetric calculators for a variety of shapes. Including cylinder sphere barrel pyramid and dome.

AJAX CalculatorAJAX Calculator
Offers evaluation of math expressions that have been input by the user.

Avasmath 80Avasmath 80
Online programable scientific calculator with scientific functions and replayable calculations.

Binary Hex ConvertersBinary Hex Converters
Online tool for converting binary, decimal, hexadecimal and ASCII text.

Bit CalculatorBit 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.

CalcCalc
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.

Calc ResultCalc Result
Provides a set of online calculators for math and physics.

CalcMachineCalcMachine
Easy to use online calculator and expression evaluator. It supports basic arithmetic, trigonometry and logarithmic functions.

Calc.Matthen.comCalc.Matthen.com
Online integrator, differentiator, graph plotter and formula manipulator.

CalcNexusCalcNexus
Provides online calculators for webenabled mobile phones and PDAs, including financial, fitness and conversion calculators.

Calculate for FreeCalculate for Free
Performs basic math operations, as well as square root and percentages. Includes memory save and recall.

Calculate NowCalculate Now
A collection of online calculators for science, business and everyday living

CalculatorCalculator
Online calculators for a variety of conversions and calculations.

Calculator CityCalculator 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.

Calculator for Eigenvalues and EigenvectorsCalculator for Eigenvalues and Eigenvectors
Includes a test example and various options.

Calculator SoupCalculator Soup
Free online calculators for finance, math, algebra, fractions, geometry, physics, time and statistics. Converters for common conversions.

Calculator TabCalculator Tab
Free scientific online calculator, which includes longterm memory, trigonometric functions, logarithmic functions, brackets and the modulo operation. It can be opened in a small popup window and includes a user guide.

CalculatoredgeCalculatoredge
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.

Cleave Books  Specialist CalculatorsCleave 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.

CoggitCoggit
Provides online calculation and conversion tools for math, currency and tax.

ConvertalotConvertalot
Collection of free Java measurements converters, calculators, and unit translators.

The Converter SiteThe Converter Site
Provides online finance calculators and body mass calculator.

Coount.comCoount.com
Free online stepbystep java scientific calculator.

Country Distance CalculatorCountry 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.

Dario Alpern's Complex Number CalculatorDario Alpern's Complex Number Calculator
Computes basic operations, 1/z, pi, exponent, log, trig, and polygamma functions. Includes memory feature.

Days CalculatorDays Calculator
Helps to compute how many days have passed from an earlier time to the present day.

Decimal/Binary ConverterDecimal/Binary Converter
An arbitraryprecision, decimal to binary and binary to decimal converter, which converts both integer and fractional values.

DigitConvertDigitConvert
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.

eCalceCalc
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.

EncalcEncalc
Free online scientific calculator supporting formulas and unit calculations.

EngNet Engineering Units ConverterEngNet Engineering Units Converter
Online calculator provides conversions between a number of common (and not so common) units.

EqualstoEqualsto
Offers an online calculator and a multi function unit converter.

GCalc  Java Mathematical Graphing SystemGCalc  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 & ConverterHiox 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.

iFigureiFigure
Guide to online calculators, including those designed for home, travel, finance, health, and small business.

Math FestMath Fest
A list of online basic, scientific, graphing, CAS and business calculators with thumbnails and a short description.

Mathator CalculatorMathator Calculator
Online application designed for performing mathematical and scientific calculations. It can also plot graphs and handle matrices and functions from it owns library.

Matrix CalculatorMatrix Calculator
Online Java calculator for matrix operations.

Monachos CalculatorsMonachos Calculators
Online calculators with variety of engineering functions, including unit conversion, periodic table, piping applications, and electrical applications.

The Number EmpireThe Number Empire
A collection of online calculators, including prime number finder, fraction solver, and solution finder for calculus equations.

Online CalculatorOnline Calculator
A collection of online calculators

Online Matrix CalculatorOnline Matrix Calculator
Calculates matrix determinant and inverse. Performs LU, Cholesky, QR, SVD decompositions. Calculates eigenvalues and eigenvectors.

Online Scientific CalculatorOnline Scientific Calculator
Free scientific calculator for mathematics, physics and engineering. It includes support for fraction, base conversion, matrix, equation solver and advanced functions.

Percent Change CalculatorPercent Change Calculator
Measures the difference in value using percentages. Includes bar graphs with the answer.

Pocket CalculatorPocket Calculator
Online calculator, written in Java. Includes square root button and number memory. Source code can be downloaded.

PractiCalcPractiCalc
Calculator and conversion tool for all Windows platforms. It provides the result of calculations as they are typed in.

Quadratic Equation CalculatorQuadratic Equation Calculator
Calculator for solving a general quadratic equation.

ScatterMall.comScatterMall.com
Free calculators for science, travel, students, health, education, weather, math, and business. Includes graphing calculators and measurement conversions.

Scientific CalculatorScientific Calculator
Java applet online calculator.

Scientific CalculatorScientific Calculator
16 function online calculator, written in JavaScript.

Scientific CalculatorScientific Calculator
Javascript calculator with basic scientific functions.

SicyonSicyon
Online graphing calculator.

Stack Scientific Calculator RPNStack Scientific Calculator RPN
Javascript scientific calculator using RPN.

SymbMathSymbMath
Online calculator, math handbook, symbolic math and Computer Algebra System.

Tampile Temperature ConversionTampile Temperature Conversion
Converts a temperature from Celsius, Fahrenheit, Kelvin or Rankine.

Web 2.0 Scientific CalculatorWeb 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 IntegratorWolfram Mathematica: Online Integrator
Free integration solver that also does derivatives, equations and plots.



