This app contains a series of ti calc:
- Pro scientific calculator 30 plus xs ti: the calcu xs 30 ti can perform all the basic fraction calculations like addition, subtraction, multiplication and division of entered fractions. The x30 ti offers the same capabilities, include factorial, random integer and mixed fraction.
- Free scientific calculator 34 ti emulator: statistical, regression and table function is included. Factor integer into prime in Math menu.
- Plus scientific calculator 36 ti emulator free: this one has a plenty of different templates including one for derivatives and definite as well as indefinite integrals. 36x pro calc ti comes with matrix, vector supports, press [2nd] [math] or [2nd] [EE] to open math matrix or math vector menu.
These calculators are also contains same set of features of es, ex calc series:
- Advanced calculator 991 es plus: quadratic equation solver, cubic equation solver and newton solver. Press [2nd] [sin] to open equation solver.
- Scientific calculator 115 es plus: complex number is supported. [2nd] [Pi]
- Pro calculator 991 ex: symbolic integral and symbolic derivative, list of constants and conversion. [math]
Three engineering calculators is design for students, the keyboard layout is mimic the ti calc.

// Option A //

To download Scientific calculator 30 34 mod from HappyMod.com.
You need enable the option "Unknown Sources".
1. Click on the above link to download Scientific calculator 30 34 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 Scientific calculator 30 34 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 Scientific calculator 30 34 in HappyMod App.