Mobile Software →TechCalc+ Calculator v5.2.4 build 368

Modes included are
- Basic Mode,
- Scientific Mode,
- 64-bit Programmer Mode (Hex, Oct, Bin and Dec),
- Graphing (save copy of graph to sdcard),
- Matrices,
- Complex Numbers (cartesian, polar, using Euler's identity),
- Quick Formulas,
- Quick Converter,
- Time Calculator,
- Equation Solver,
- Calculus (Derivative, Definite Integral, Taylor Series & Indefinite Integral) - requires Android version 2.3 or higher
- Financial
+ the Periodic Table of Elements!
Features include
- All Trigonometric operations (radians, degrees or gradients)
- Powers & Roots
- Logs and Antilogs
- Factorial, Modulus & Random Numbers functions
- HCF, LCM, Prime factorization
- Pol() & Rec() Functions
- Permutations (nPr) and Combinations (nCr)
- Statistics
- Fractions Mode
- A wide range of conversion categories and constants
- 20 Memory Registers in each of the calculation modes
- Detailed calculation history
- Extensive Help and Reference
- Highly customizable via the Settings
System Requirements:
Requirements: Android 7.0+
Home Page-

https://play.google.com/store/apps/details?id=com.roamingsquirrel.android.calculator_plus&hl=en