en.wikipedia.org/wiki/Calculator

An electronic calculator is a small, portable electronic device used to perform
operations ranging from basic arithmetic to complex mathematics. The first solid ...

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Free Online Scientific Notation Calculator. Solve advanced problems in Physics,
Mathematics and Engineering. Math Expression Renderer, Plots, Unit ...

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THE #1 CALCULATOR ON APP STORES WORLDWIDE * The Calculator Free
combines the Standard and Scientific calculator for Free! Join millions of users by
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play.google.com/store/apps/details?id=com.android2.calculator3&hl=en

Calculator is a simple 4 function calculator, with a panel that has more advanced
functions when you need them. It includes history, real time graphing, base ...

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Calculators online for finance, math, algebra, trigonometry, fractions, physics,
statistics, time and more. Use an online calculator for free, search or suggest a
new ...

www.online-calculator.com/

A Free Online Calculator, Quick and Easy, and Full Screen!

www.calculator.net/

Online scientific calculator, mobile apps, and a rich collection of free online
calculators, including mortgage, loan, BMI, ideal weight, body fat calculators and
...

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Use simple and easy free online calculator at work, at school or at home. With our
calculator you can perform simple and trigonometric calculations.

www.calculator.com/

Online calculators for everything. Some solve problems, some satisfy curiosity.