Real Scientific Calculator is best scientific calculator on play store. The Scientific calculator offer variety of mathematical function.

The calculator has 100 digits of significant and 9 digits of exponent . It detects repeating decimals and numbers in it can be also entered as fractions or converted to fractions.

You can write expressions in a natural way and watch your calculations. When possible, an expression is simplified and the result is displayed as an expression using fractions, square roots and ? constant.

The multiline display can be turned on in tablets to show the complete history of calculations and to provide access the previous results.

The users can choose from several high-quality themes.

The calculator has several functions, such as:
- basic arithmetic operations including percentage, modulo and negation;
- fractions (in the Pro version any expression including nested fractions can be entered as a numerator and a denominator);
- mixed numbers;
- periodic numbers and their conversion to fractions;
- unlimited number of braces;
- operator priority;
- repeated operations;
- complex numbers (Pro version);
- conversion between rectangular and polar coordinates (Pro version);
- advanced number operations such as random numbers, combinations, permutations, common greatest divisor, etc.;
- trigonometric and hyperbolic functions;
- powers, roots, logarithms, etc.;
- degrees, minutes and seconds conversion;
- fixed point, scientific and engineering display format;
- display exponent as SI units prefix;
- memory operations with 10 extended memories;
- clipboard operations with various clipboard formats;
- result history;
- binary, octal and hexadecimal numeral systems;
- logical operations;
- bitwise shifts and rotations;
- haptic feedback;
- more than 90 physical constants; and
- conversion among 200 units.

The Scientific calculator has many settings to manage the full screen mode, decimal and thousand separators, etc.

// Option A //

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