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About us

R. Apps is a mobile application developer from Hungary, offering effective applications for everybody.

 
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Calculator

Easy to use, stylish scientific calculator app for free.

Calculator allows you to perform simple and complex math tasks in a beautifully designed application. It includes history, real time graphing, base conversion, memory and more.

• Choose the best color for you from several options: amber, orange, deep orange, red, pink, purple, deep purple, indigo, blue, light blue, cyan, teal, green, light green and lime
• Perform simple calculations such as addition, subtraction, multiplication, and division
• Do scientific operations such as trigonometric, logarithmic and exponential functions
• Define your own function
• Convert between binary, octal, decimal and hexadecimal numeral systems
• Handling complex numbers such as √−2
• Real time graphing
• Save and modify values in the calculator memory
• See the list of your past 100 expressions and results with their dates
• Perform basic operation on the go with Android Wear

Help document & YouTube tutorial

 

To play, press and hold the enter key. To stop, release the enter key.

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Speedometer

Speedometer application.

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Speedometer application, which uses your location data to display your current speed, and your maximum speed that you reached.
You can set the unit of the speed to km/h, mph or to knot, and to m/s or to ft/s.
You can also see your distance travelled (in m, km or mi) and the GPS signal accuracy (in m, ft or yd) on the bottom of the application.

 

To play, press and hold the enter key. To stop, release the enter key.

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Compass

Advertisement free compass and spirit level application.

Easy to use compass and spirit level application with magnetic north, coordinates, exact address and offline off road navigation.

• Magnetic north
• Coordinates
• Exact address
• Offline off road navigation
• High precision spirit level
• Advertisement free

Attention:

• Please wave your device around several times in a figure of eight (∞) to calibrate it!

To play, press and hold the enter key. To stop, release the enter key.

 
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Barometer

Advertisement free barometer and altimeter application.

Advertisement free barometer and altimeter* application, which uses your device's built in pressure sensor*.
You can set the unit of the pressure to millibar (mbar), to hectopascal (hPa), to inche of mercury (inHg) or to millimeter of mercury (mmHg) and you can set the unit of the altitude to meters (m), to feet (ft) or to yards (yd).
There is an option to display pressure in the notification bar.
*Not every Android device has pressure sensor!
*The weather affects the result of the altitude!

 

To play, press and hold the enter key. To stop, release the enter key.

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Flashlight

Simple, advertisement free flashlight application.

Simple, advertisement free flashlight (torch) application, which uses the phone's LED flash.
You can open the app from the notification bar.
You can set to turn on the flash at startup and turn off at exit.

To play, press and hold the enter key. To stop, release the enter key.

 
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2048

Download on taimienphi.vn.

2048 is a simple but addictive puzzle game.

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2048 is a simple but addictive puzzle game supporting 6 different board sizes, an undo button and a unique user experience.

 

Swipe to merge numbers and get to the 2048 tile before running out of space. You can even go further and continue the game in endless mode after the 2048 tile created. Reach a high score and challenge your friends.

2048 comes with a spectacular design and with 3 different themes, so you can choose the one that fits you the best.

 

A perfect choice to pass time and have fun!

Youtube

 

To play, press and hold the enter key. To stop, release the enter key.