Top 15+ Best Free Online Calculator Sites – Websites 2017 | UPDATED


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Online Calculator – a tool for a wide range of Internet users. Right on our site, you can use a powerful calculator on-line, which is currently one of the best. The proposed online calculator is capable of both simple and complex calculations on: logarithms, trigonometric functions, extracting roots, percentages, and more.

The main advantage of Online Calculator – access to the calculator from any computer or mobile device at any time convenient for you! You can use it around the clock. You only need internet access! Another indisputable advantage is that the service gives this calculator for free and does not require user registration.

ONLINE-CALCULATOR.COM – Online Calculator. A Free Online Calculator, Quick and Easy, and Full Screen!

ONLINE-CALCULATOR.COM

ONLINE-CALCULATOR.COM

Daily visitors: 24 764   Daily pageviews: 27 241   Alexa Rank: 48912

CALCULATOR.COM – calculator.com – Online tape mortgage math loan finance scientific health sports & more calculators. Online calculators for everything. Some solve problems, some satisfy curiosity.

CALCULATOR.COM

CALCULATOR.COM

Daily visitors: 6 184   Daily pageviews: 11 751   Alexa Rank: 165111

CALCULATORSOUP.COM – Calculator Soup – Online Calculator Resource. Calculators online for finance, math, algebra, trigonometry, fractions, physics, statistics, time and more. Use an online calculator for free, search or suggest a new calculator that we can build for free. Conversions and calculators to use online for free.

CALCULATORSOUP.COM

CALCULATORSOUP.COM

Daily visitors: 87 976   Daily pageviews: 119 648   Alexa Rank: 12400

METACALC.COM – Calculator – Metacalc. Metacalc is a free easy to use online calculator. For all your math problems, or for showing in front of a class.

METACALC.COM

METACALC.COM

Daily visitors: 1 068   Daily pageviews: 1 602   Alexa Rank: 609263

THEOMLINECALCULATOR.COM – The Online Calculator.

THEOMLINECALCULATOR.COM

THEOMLINECALCULATOR.COM

Calculator Size

Change the text size in your browser and the size of the calculator and buttons will change.

Calculator Operations

A simple basic keypad calculator online, similar to a small handheld calculator, for addition, subtraction, division and multiplication. Just a basic calculator for basic calculations and memory functions. The operations for this standard calculator are listed below.

  • M will show up in the left input box when memory has value
  • MC = Clear Memory
  • M+ = Add to Memory
  • M- = Subtract from Memory
  • MR = Memory Recall
  • C = Clear Current Operation
  • CE = Clear Entry
  • ²√ = take the square root function for the value shown
  • x² = raise the value shown to the power of 2
  • % = use on the last operation on the last value entered
    • 100 – 22 % = 78; 100 minus 22% of 100 is 78
    • 100 x 22 % = 22; 100 times 22% is 22
  • π = enter the value of pi = 3.141592653589793 into the input area to be operated on

CALCULATOR.PRO – Online Calculator.Calculator is an indispensable tool for a businessman, financier, family man and even a schoolboy. Quickly, clearly and securely online calculator allows you to perform all the standard mathematical operations such as division, subtraction, addition or multiplication, as well as operations with decimal fractions.

CALCULATOR.PRO

CALCULATOR.PRO

Daily visitors: 534   Daily pageviews: 534   Alexa Rank: 1121219

EEWEB.COM – Electrical Engineering Community for hardware designers with design tools, projects, articles, jobs, events, discussions, and social networking. eCalc is a free and easy to use scientific calculator that supports many advanced features including unit conversion, equation solving, and even complex-number math.  eCalc is offered as both a free online calculator and as a downloadable calculator.

EEWEB.COM

EEWEB.COM

Daily visitors: 9 495   Daily pageviews: 17 092   Alexa Rank: 92238

AMBLESIDEPRIMARY.COM – The Webpages of Ambleside C.E. Primary School. Big Online Calculator.

AMBLESIDEPRIMARY.COM

AMBLESIDEPRIMARY.COM

Daily visitors: 3 560   Daily pageviews: 4 273   Alexa Rank: 415358

CALCULATOR-1.COM – The Best Free Online Calculator. Use for work, school or personal calculations. You can make not only simple math calculations and calculation of interest on the loan and bank lending rates, the calculation of the cost of works and utilities.Commands for the online calculator you can enter not only the mouse, but with a digital computer keyboard.

CALCULATOR-1.COM

CALCULATOR-1.COM

Daily visitors: 1 456   Daily pageviews: 1 602  Alexa Rank: 662337

META-CALCULATOR.COM – Graphing Calculator- Free online tool graph functions, finds intersections, table of values. Implicit equations, pan, zoom, & export as image. Our free calculator graphs up to 7 implicit equations, finds intersections and lets you save picture of graph to your computer! Also: pan and zoom, table of values, translate graph, plot points, color code graphs and much more.

META-CALCULATOR.COM

META-CALCULATOR.COM

Daily visitors: 1 699   Daily pageviews: 3 739   Alexa Rank: 223927

INSTACALC.COM – Calc title (optional) | InstaCalc Online Calculator.

INSTACALC.COM

INSTACALC.COM

Daily visitors: 3 204   Daily pageviews: 3 204   Alexa Rank: 354130

DERIVATIVE-CALCULATOR.NET – Online Derivative Calculator • Shows All Steps! Solve derivatives of mathematical functions using this free online calculator. It will show you the complete steps of calculation.

DERIVATIVE-CALCULATOR.NET

DERIVATIVE-CALCULATOR.NET

Daily visitors: 3 204   Daily pageviews: 3 204   Alexa Rank: 204761

CALCULATOR.NET – Calculator.net: Free Online Calculators – Math, Health, Financial, Science. Online scientific calculator, mobile apps, and a rich collection of free online calculators, including mortgage, loan, BMI, ideal weight, body fat calculators and hundreds more.

CALCULATOR.NET

CALCULATOR.NET

Daily visitors: 120 182   Daily pageviews: 480 728   Alexa Rank: 7313

CALCULATORIA.COM – Online scientific calculator with tape – CALCULATORIA.com. Calculator online. Simple and scientific. With calculation memory.   BEST NEW

CALCULATORIA.COM

CALCULATORIA.COM

Daily visitors: 712   Daily pageviews: 1 068   Alexa Rank: 1531671

CALCULATOR-TAB.COM – Calculator Tab • Free Online Scientific Calculator.

CALCULATOR-TAB.COM

CALCULATOR-TAB.COM

Daily visitors: 242   Daily pageviews: 534   Alexa Rank: 2797487

VATCALCULATOR.CO.UK – Online VAT Calculator. Free UK VAT calculator. We have created this VAT calculator as a free to use tool for calculating VAT rates in the UK.

VATCALCULATOR.CO.UK

VATCALCULATOR.CO.UK

Daily visitors: 9 226   Daily pageviews: 10 148   Alexa Rank: 111499

PERCENTAGECALCULATOR.NET – Percentage Calculator.

PERCENTAGECALCULATOR.NET

PERCENTAGECALCULATOR.NET

Daily visitors: 59 824   Daily pageviews: 59 824   Alexa Rank: 23990

Mortgage Loan Auto Loan Interest Take-Home-Pay Payment Retirement Amortization Investment Compound, Interest, Inflation, Lease, Finance, Mortgage, Payoff, Refinance, Credit Card, Income, Tax, BMI, Calorie, Army, Body, Fat, Body, Fat, BMR, Weight, Watchers, Points, Carbohydrate, Ideal, Weight, Body, Type, Scientific, Fraction, Percentage, Time, Volume, Love, Gas, Mileage, GPA, Time, Card, Height, Concrete, Marriage, Age, Bra, Size, Fuel, Cost, BTU Calculator.

online Derivative Calculator UPDATED 23.10.2015

DERIVATIVE CALCULATOR

DERIVATIVE CALCULATOR

DERIVATIVE-CALCULATOR.NET – Online Derivative Calculator • Shows All Steps! Solve derivatives of mathematical functions using this free online calculator. It will show you the complete steps of calculation.

WOLFRAMALPHA.COM – Free Online Derivative Calculator allows you to solve first order and higher order derivatives, providing information you need to understand derivative concepts. Wolfram|Alpha: Computational Knowledge Engine. Wolfram|Alpha is more than a search engine. It gives you access to the world’s facts and data and calculates answers across a range of topics, including science, nutrition, history, geography, engineering, mathematics, linguistics, sports, finance and more.

EMATHHELP.NET – Online calculator will calculate derivative of any function with steps shown. Also, it will evaluate derivative at given point, if needed. eMathHelp – Online Resource for all. Site is created to help people learn math. Includes algebra, calculus, differential equation notes with many examples. Provides free homework help.

CALCULUS-CALCULATOR.COM – Our online Derivative Calculator gives you instant math solutions with easy to understand step-by-step explanations. Calculus Calculators! – Calculus CalculatorCalculus Calculator | Instant Step-By-Step Math Solutions.

MATHPORTAL.ORG – This is a calculator which computes derivative, minimum and maximum of a function with respect to a variable x. Free math lessons, formulas, calculators, math tests and homework help. Free math lessons, formulas, calculators and homework help, in calculus, algebra, analytic geometry and linear algebra.

NUMBEREMPIRE.COM – Derivative calculator computes derivative of a function using symbolical differentiation and displays a step-by-step solution. Number Empire – Math Tools. Number empire is a collection of powerful math tools and facts about numbers.

FREEMATHHELP.COM – Try this derivative calculator to get the derivative of any function. Sign up to get full step-by-step solutions. Free Math Help – Lessons, games, homework help, and more. Find helpful math lessons, games, calculators, and more. Get math help whether you’re studying algebra, geometry, trig, calculus, or something else. Plus interesting sports-themed math lessons, too.

PLANETCALC.COM – Derivative calculator from the online calculator collection at Planetcalc. Online calculators.

CALC101.COM – Calc101.com Automatic Calculus, Linear Algebra, and Polynomials. Check your calculus homework! Enter your function to get your calculus derivative or integral with each step explained, automatically and fast.

LIBRARY.WOLFRAM.COM – Wolfram Library Archive has thousands of downloadable resources for Mathematica and other Wolfram products, collected over the full history of Wolfram Research.

MATHFORYOU.NET – Our online derivative calculator helps you to find step by step derivative of almost any function. 

Online Mortgage Calculator:

MORTGAGECALCULATOR.ORG – Mortgage Calculator. Use this free mortgage calculator to save money on your home loan today. Includes amoritization tables, bi-weekly savings, refinance info, and helpful tips.

BANKRATE.COM -Online Mortgage Calculator. Use Bankrate.com’s free tools, expert analysis, and award-winning content to make smarter financial decisions. Explore personal finance topics including credit cards, investments, identity protection, autos, retirement, credit reports, and so much more.

HALIFAX.CO.UK – Mortgage Calculator – Online Mortgage Rate Calculator. Compare all the mortgages on offer with our mortgage calculator. Halifax’s mortgage calculator can help you get the best rates. Halifax – The people who give you extra. Apply today for bank accounts, savings accounts, ISAs, loans, mortgages, credit cards and more.

CGI.SCOTIABANK.COM – Mortgage Calculator.

SANTANDER.CO.UK – Mortgage calculators and tools. Whether you’re a new customer or already have a mortgage with us, our handy calculators and tools can help you find the right mortgage for you.

MONEYSAVINGEXPERT.COM – omprehensive mortgage calculator, as well as the basic mortgage calc you can check the impact of savings vs mortgages, offset mortgages, overpayments and more. Martin Lewis’s free site saves you money. Beat the system on credit cards, shopping, special offers, mortgages, council tax, interest rate payments, freebies, loans, loopholes, best buys. Compare, read, discuss and be a Money Expert.

NATIONWIDE.CO.UK – Online Mortgage Calculators. Award winning online banking: whether it’s current accounts, credit cards, personal loans, mortgages, insurance, savings or investments Nationwide can help.

LLOYDSBANK.COM – Lloyds Bank – Mortgages – Online Mortgage Borrowing Calculator. How much could you borrow? The borrowing calculator from Lloyds Bank helps you to understand. Get in touch for more information. Lloyds Bank – Personal Banking, Personal Finances & Bank Accounts. Wherever you want to get to in life, Lloyds Bank has a range of bank accounts and personal banking services to suit you. Visit us today to find out more.

NATWEST.COM – Use our free mortgage calculator and rate finder to find a suitable mortgage for you and work out your monthly repayments. Get an online quote today. NatWest Online – Bank Accounts, Mortgages, Loans and Savings. Welcome to NatWest. Our extensive personal banking products including bank accounts, mortgages, credit cards, loans and more. Visit today to find out more.