• Easy to read calculator with large display and big buttons •

This amazing app for android allows you to calculate all basic math calculation for your every day needs. Advance Calculator Pro is designed with simplicity, usability and beauty in mind! The UI is simply stunning and easy to use, exactly like a real handheld PDA. The buttons are very clear and large; it is perfect for everyday use. The big buttons and large fonts are easier to see too. It also works in portrait or landscape mode.

This intelligent free calculator makes you feel like you are operating an old school personal digital assistant, and the live history features comes in handy. You can track all your previous calculations with ease. The calculations also display what you just entered, so you do not risk entering the same number twice. The LED display shows your calculations in clear, elegant type that's easy to read, with commas just where they should be. The app is perfect for shopping, doing homework, balancing checkbooks, or even calculating taxes.

You can also toggle the vibrator, which makes a phone vibrate every time you press a button.

Features:
• Unique kickstand big LCD feature for easy readability
• User friendly computing device offers basic operations: addition, subtraction, multiplication, division and plus/minus

• Swipe memory keys aside for advanced math functions
• Support advanced math operations: percentage, square root, a power of two, and reciprocal.

• Equal key works like the last answer so you can continue your calculations

• Support backspace key anytime to correct a simple mistake
• Built in pi (π) symbol key which used in mathematics to represent a constant 

• Built in 4-key memories which are handy for doing repeated calculations with a single number

• Vibrate every time when pressing any button (only vibration supported phones or tablets) 

• Calculation history always saved (option to erase history)

• Works best in the background - if you quit the app and go do something else, it's all still here when you come back

• Useful tool for Home, Office or Student

We love your feedback, Thanks a lot!

// Option A //

To download Advance Calculator Pro mod from HappyMod.com.
You need enable the option "Unknown Sources".
1. Click on the above link to download Advance Calculator Pro mod APK.
2. Save the file in your device Downloads folder.
3. Now tap on Install and wait for the installation to finish.
4. Once it is done, open the game and start playing it right away.

// Option B //

To download Advance Calculator Pro from HappyMod APP, you can follow this:
1. Open your browser and download the HappyMod APK file from HappyMod.com - the only official website of HappyMod.
2. Open Android Settings and go into Privacy or Security.
3. Tap the option to Allow Unknown Sources and enable it.
4. Go to your Android downloads and tap the APK file.
5. Follow the directions on the screen to install it.
6. Search Advance Calculator Pro in HappyMod App.