Scientific Calculator (adfree) v4.1.2 [Paid]

TechCalc+ contains 12 computing modes in one application + a handy reference section. The reference section includes:Physical Laws, Names in the Metric System, Mathematical Tables, Elementary & Linear Algebra, Trigonometric Identities, Differentiation & Integration Rules, Statistics Formulas, Vector Mathematics, ASCII, Fractional Bits & Roman Numeral Converters, pH, Interpolation, Body Mass Index (BMI), Percentage & Proportion Calculators, Sigma & Pi Notation.

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

The reference section includes:
* Physical Laws
* Names in the Metric System
* Mathematical Tables
* Elementary & Linear Algebra
* Trigonometric Identities
* Differentiation & Integration Rules
* Statistics Formulas
* Vector Mathematics
* ASCII, Fractional Bits & Roman Numeral Converters
* pH, Interpolation, Body Mass Index (BMI), Percentage & Proportion Calculators
* Sigma & Pi Notation

Home Page - https://play.google.com/store/apps/details?id=com.roamingsquirrel.android.calculator_plus