King Calculator

4.6
13.4K reviews
500K+
Downloads
Teacher Approved
Content rating
Everyone
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About this app

Free, easy to use, intuitive and functional, using fractions is easy!

Our flexible display allows easy input of numbers, functions, operators and percentage calculations.

Using fractions is easy, you can change the cursor position and edit the input with no effort.
Color highlighting will make the math expression readable/editable.
If you want to double the display size, you can do it in a click, at any point.
Supporting all screen sizes, the app is compatible with any phone or tablet.

Switch between the scientific calculator layout and the simple layout by rotating your device.
The calculator draw graphs, support big numbers and use memory variables. All of those can be an integral part the expression you input.

View calculations and results in the history screen, input them again, or store a result into memory.

Choose between memory operations with MRC, M+, M- buttons, or usw memory variables instead.

Including Material Design layouts, and five different themes.
This is a free calculator, it will remain free, no additional purchases required to unlock features.
The app doesn't require any intrusive permissions.

Are you taking calculus or algebra courses in school or college? You need this app.


Main features:
★ Fractions. Input, edit, convert.
★ Basic and advanced arithmetic.
★ Operation priority.
★ Percentage calculations.
★ Memory variables.
★ Big numbers support.
★ Ans button, that saves the last result for the following expression.
★ Calculations history.
★ Equations editor.
★ Memory/percentage operations (M+ / M- / MRC buttons).
★ Trigonometry functions ( Sine, cosine, tangent, arcsine, arcosine, arctan, hyperbolic sine, hyperbolic cosine, hyperbolic tangent).
★ Exponents, you can raise a number to any power.
★ Squared root and cubed root.
★ Factorial and modulo operations.
★ Logarithmic functions.
★ Absolute value function.
★ Ceil and floor.
★ Basic calculator layout.
★ Scientific calculator layout.
★ Graphing functions (Single variable functions).
★ Material design interface.
★ Free.
Updated on
Aug 31, 2024

Data safety

Safety starts with understanding how developers collect and share your data. Data privacy and security practices may vary based on your use, region, and age. The developer provided this information and may update it over time.
No data shared with third parties
Learn more about how developers declare sharing
No data collected
Learn more about how developers declare collection

Ratings and reviews

4.6
12.8K reviews
Brian David
May 17, 2020
I just installed this app a few days ago. So far, I've used it a lot. I'm a retired CPA and have been frustrated with the standard calculator that comes with the phone. I needed an app that has "easy to use" memory, (which is not included with the standard Verizon Android phone). I'm a "day trader" in the stock market & am constantly using percentages & memory. Also, so far, I have NOT had 1 ad pop up. I hope that continues. Keep up the good work. Brian David Massachusett. May 17th, still love.
47 people found this review helpful
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Regina Litman
May 9, 2022
Very easy to use, and it includes many functions. The only bug I've found is that Plot mode doesn't plot if the expression starts with a negative. Workaround is to subtract the whole expression from zero. I am also an iPad user, and I wish you had a King Calculator for iPad, too.
2 people found this review helpful
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Torchwave A
August 31, 2020
a tool that meets my requirements. it can perform basic and complex calculations including fractions, has large fonts, one can edit values entered while calculating, it is ad free, has themes to choose from, the design is colorful and tasteful, and much more. thank you, developer, for a perfect and useful tool.
28 people found this review helpful
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App support

About the developer
‪Aviran Abady‬‏
support@kingcalculator.com
Moshav Manot, D.N.G.M 24 Manot, 25237 Israel
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