Scientific Calculator (adfree)

Scientific Calculator (adfree)

5,000 - 10,000 downloads

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TechCalc+ scientific calculator is a calculator with 11 computing modes in one application + a handy scientific reference section.
Modes included are:

* Basic Calculator,
* Scientific Calculator,
* 64-bit Programmer Mode (Hex, Oct, Bin and Dec),
* Graphing (save a copy of the graph to the 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

+ the Periodic Table of Elements!

Features of TechCalc+ scientific calculator include:

* Trigonometric Functions (radians, degrees or gradients)
* Power & Root Functions
* Log and Antilog functions
* Permutations (nPr) and Combinations (nCr)
* HCF, LCM, Prime factorization, Δ% function and the remainder function
* Pol() & Rec() Functions
* Statistics Functions (inc. Bessel, Beta, Binomial, Chi-Squared, Digamma, Error, Exponential, F-, Gamma, Hypergeometric, Normal, Poisson, T- & Weibull)
* Factorial Function
* Modulus Function
* Random Numbers
* Fractions Mode
* Constants (4 categories) - press to include into a calculation or long press for more information on the constant:
* Physical and Astronomical Constants
* Periodic Table - atomic mass (u)
* Solar System - Orbit Distances (km)
* My Constants (save personal constants via the calculation history)
* A wide range of conversion categories – Distance, Area, Volume, Mass, Density, Speed, Pressure, Energy, Power, Frequency, Magnetic Flux Density, Dynamic Viscosity, Temperature, Heat Transfer Coefficient, Time, Angles, Data Size, Exchange Rates, Fuel Efficiency, Audio Signal Level, Torque, Force, Radioactivity, Radiation
* 20 Memory Registers in each of the calculation modes
* A complete record of each calculation is stored in the calculation history, the result of which can be used in future calculations
* Detailed Help and Reference Available
* Highly customizable via the Settings including a wide range of layouts to choose from
* Output font size can be increased or decreased by long pressing the + or - buttons

The reference section of TechCalc+ scientific calculator includes:

* Physical Laws
* Useful Mathematical Formulas
* Names in the Metric System
* Mathematical Tables (Log & Antilog Tables, Normal Distribution Table, Trigonometric Tables, Power & Root Tables)
* Elementary Algebra
* Linear Algebra (Matrices)
* Trigonometric Identities
* Differentiation Rules
* Integration Rules
* Statistics Formulas
* Vector Mathematics
* ASCII Converter
* Fractional Bits Converter
* Roman Numeral Converter
* pH Calculator
* Interpolation Calculator
* Body Mass Index (BMI) Calculator
* Proportion Calculator

Please email any questions that are not answered in the Help section or any requests for bug fixes, changes or extensions regarding the functions of the calculator - glad to help wherever possible.

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Recently changed in this version

16/01 (ver 3.5.4)
* added an editing method to Quick Formulas - please see the topic Quick Formulas in the Help Section for details
* added a dedicated history for the stopwatch function in the Time Calculator - please see the topic Time Calculator in the Help Section for details
* bug fixes

Comments and ratings for Scientific Calculator (adfree)
  • (77 stars)

    by chicon1776 on 16/01/2015

    and love the roaming squirrel... Hope it finds it acorns!

  • (77 stars)

    by Mark Lukens on 07/01/2015

    Very useful calc app with all the functions I need for 95% of the calculations I need to do. I just wish there were another color combination option - the full color keys are too garish for me, but the black and white options don'the make the different function groups stand out enough. I wish we had some other color combinations to choose from, or could customize the colors of keys to our preferen

  • (77 stars)

    by vlady rose on 26/12/2014

    it's worth your money.. simply the best calculator app available!!

  • (77 stars)

    by Hjalmar Schacht on 23/12/2014

    Arguably the best overall scientific calculator out there. I have tried over 25 of them and have three purchased calculators on my phone. This is the best one and is certainly worth the money. I have a TI nSpire CX CAS and other than the full CAS GUI, this calculator holds its own. Highly recommended.

  • (77 stars)

    by Andreas Schwarzinger on 14/12/2014

    I do like this app very much. There is one problem that I would like addressed though. We seem to be limited to 4 digits below the decimal point when entering numbers. How can I change this???

  • (77 stars)

    by Doc Nybble on 13/12/2014

    There are only a couple other calculators that can challenge these capabilities. And that's only because they are highly specialized and dedicated to specific functions. I think it's fair to say that anyone who uses this calculator will seriously consider uninstalling most, if not all, others. The designers have made a good choice in using the significant memory capacity and speed now available

  • (77 stars)

    by saeed iqbal on 12/12/2014

    Excellent, quickly implement /added the requested feature, No wait for long time like other application. Must have calculator, every featured required is available even currency converter to programmable calculator

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