The Super Calculator, is more functional than original calculator, consists of basic calculator, scientific calculator, currency calculator and units calculator, all calculation tools can be found in this 4-in-1 calculator.
The Super Calculator provides history records, number speech, and original function of calculation inheritance, which will synchronize calculated result to all calculators it contains, and make your workflow more effective.

FEATURES IN CALCULATOR:
[General]
- Perfectly designed for both iPad and iPhone in different orientations.
- Quick launch in 2 seconds.
- Save, Copy & Paste history records.
- Inherit calculation result, seamlessly switching result in four types of calculator.(turn on/off in Setting -> Inherit calculation result)
- Offline usage
- Varies of themes, includes dark theme for low light conditions
- Multitasking(Split View) in iPad, easily takes notes with calculator synchronously。
- Customize decimal places and notations

[Basic & Scientific Calculator]
- From basic calculation(+, -, x, ÷, %) to advanced scientific calculation(^, √, Sin, Cos, Log, x!,…)
- Calculating with text speech, to avoid any typing mistake
- Support display Complex Expression with result
- Calculate trigonometric function with degrees or radians

[Currency Converter]
- 150+ fiat currencies around the world
- Inherit number from basic or scientific calculator without extra input to check currencies
- Real-time synchronization-exchange rates are updated automatically when connected to the internet

[Units Converter]
- Support length, mass, area, Volume, speed, temperature, energy, pressure and other units

// Option A //

To download Super Calculator-Calculator HD mod from HappyMod.com.
You need enable the option "Unknown Sources".
1. Click on the above link to download Super Calculator-Calculator HD 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 Super Calculator-Calculator HD 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 Super Calculator-Calculator HD in HappyMod App.