Best calculator app for Android and iPhone

We all need a calculator sooner or later and having it integrated into our smartphone is a nice plus. Whenever you have to split the bill at a restaurant, when you want to calculate the percentage of VAT on a price, when you do math at school, when you have to make quick calculations that you don't want to go wrong, you can use the application of the calculator.
Both on Android smartphones and tablets and on iPhones and iPads the calculator is an app already installed (on iPhone it is also a scientific calculator), but if you want a better app than the standard one, let's see here, among the many that there are, the best 10 calculators to install for free, with different graphics, more comfortable and beautiful to look at, and also with tools to solve complex mathematical problems.

1) Calculator Plus
Calculator Plus (for Android and iPhone) is one of the simplest calculator apps that you can use on smartphones, which graphically reproduces the calculators of yesteryear. You can then make quick calculations that remain in memory to have a history. a scientific calculator is missing here.

2) Calculator (Google)
Google's Calculator app, available only for Android, is the one that comes pre-installed in Pixel smartphones and has a nice interface to easily solve math problems and simple and complex calculations. The scientific calculator, in addition to simple calculations such as addition, subtraction, multiplication and division, also specializes in scientific operations such as logarithmic, trigonometric and exponential functions.

3) Uno Calculator
Uno Calculator (Android and iPhone) is a special app because it is a "port" of the Windows 10 calculator that Microsoft has made open source. In practice, it is the same Windows 10 calculator that is now available, free and without advertising, as an app for Android smartphones, for iPhones, iPads. As a calculator it is really complete and powerful, not only usable to solve even complex calculations, but also to enter HEX, BIN, OCT and DEC codes, to write functions and equations and then also to convert units of measurement such as weight, energy , coins, temperatures and much more. This is probably the best app to use a calculator on your phone, especially for those used to using the same app on Windows 10.
Uno Calculator can also be used and tested from the website

4) CALCU elegant calculator
As the name of the app says, Elegant Calculator (for Android) is one of the calculator apps with the best graphics, with the ability to choose colors and gesture-based control. If we talk about the functionalities of Stylish Calculator, the app specializes in scientific calculation and basic calculations.

5) ClevCalc
ClevCalc for Android and iPhone is a scientific calculator that shows all calculations in a single line, with also a loan and percentage operations calculator, currency converter and unit of measurement (length, weight, width, time, temperature, pressure, speed).

6) The Calculator +
Calculator + is the best and most popular iPhone app to replace Apple's calculator already installed in IOS. Among its functions we have basic calculations, scientific calculations, fractions and currency converter, writing equations, calculating degrees and radians. it also supports calculation history, dark theme, drag and drop and can also be used from Apple Watch.

7) Calculator ++
This Android application with calculator function for Android is an excellent app to replace the default app already installed in the phone, with an interface very similar to the Google calculator seen in point 2 and many features. In Standard mode, there are operators to do simple calculations, while in Engineer mode you enter the scientific calculator with advanced features for solving complex problems of trigonometry, logarithmic functions and much more.

8) Financial Calculators
Financial Calculators for Android and iPhone brings a series of tools for financial calculation (TVM) that are very useful both for managing everyday expenses, taxes, interest on loans, and also for carrying out even complex financial mathematics operations such as the calculation of the ROI, the internal rate of return, the amortization plan and much more. Financial Calculators is definitely the best calculator app for anyone working in the financial sector.

9) Photomath
PhotoMath, for Android and iPhone is a very popular calculator among students because it allows you to solve complex mathematical equations by taking a photo from a book or even from a handwritten notebook.
Best of all, Photomath breaks down every math problem into simple, easy-to-understand steps and is one of them best apps for school.

10 ) Other great calculator apps for Android
On the Google Play store you can also find other very good free calculator apps that are worth trying if you are still not happy with those already presented above. Among these we mention those with the best reviews:
- Mobi Calculator, with a beautiful customizable graphical interface.
- Mathlab Graphing Calculator, ideal for school.
- Quickey calculator, very colorful.

Best calculator app for Android and iPhone

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