This is all in one calculator, full mathematics function, working offline. A scientific calculator supports most of the features of fx 500, fx500, JX570ms, 570vnplus, 991es plus, 991ms, fx570esplus, fx-82 or TI-30XB, fx 4500, 82ms, 82es, fx-82AU PLUS II, 100AU, fx 4500pa, 991ex, fx 260.

★ Natural display ★
Natural Input allowing you to enter equations as you'd write them on paper, using fractions, roots, exponents and more. It's called a "natural display" and is a common feature on scientific calculators like the fx 570 991 es plus!.

★ Scroll feature ★
Swipe on the keyboard to move the cursor up and down, left and right. Touch to edit expression.

★ Calculate functionality, advanced calculator feature ★
• Solve equation (Shift solve)
• CALC function (with memory function, 8 variable)
• Derivative function
• Integrate function
• Base N calculation (Calculator binary, decimal, hexadecimal, octal)
• Table generator: generate table base on expression.
• Solve system equation (two and three unknown variable)
• Solve cubic, quadratic, in-equation
• Calculate with fraction result (fraction calculator)
• Calculate with big numbers
• Complex number
• Matrix calculator with full feature of algebra calculator
• Percent % calculator
• logarithms calculator (log base n)

★ Angle unit ★
Radian, Degree, Gradian

★ Output type ★
• Fraction (1/2)
• Mixed fraction (4/3 = 1 3/4)
• Decimal (1.23123)
• Repeat decimal (1.23232323 = 1.(23))
• Degrees/Minutes/Second
• Polar coordinate (Pol, Rec function)

★ Decimal Notation ★
Normal, Engineering, Engineering (SI), Science, Fixed

★ More feature ★
• Automatic calculate: see result as you typing (turn off in setting)
• Vibrate, vibrate strength
• Play sound when click sound button
• Decimal formatter
• Calculation history
• Show variable value
• Two layout: full keyboard and compact keyboard
• Change font family
• Change theme
• Change font size
• Copy, paste expression (long click to copy)

This is calculator for free, but you can upgrade to premium version for access all features.

For more support, visit this link https://www.facebook.com/app.n.studio/

★ Natural Scientific Calculator for Android ★

// Option A //

To download School scientific calculator 500 es plus 500 ms mod from HappyMod.com.
You need enable the option "Unknown Sources".
1. Click on the above link to download School scientific calculator 500 es plus 500 ms 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 School scientific calculator 500 es plus 500 ms 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 School scientific calculator 500 es plus 500 ms in HappyMod App.