RealCalc Plus

RealCalc Plus

100,000 - 500,000 downloads

  • Great amount of features
  • 10 memories
  • Basic functions and formulas
  • Different displaying modes
  • Needs to keep the steps
  • There's no custom functions feature
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Expert's Review

"Turn your Android into a real scientific calculator"

Reviewed by / May 31, 2011

RealCalc Scientific Calculator is a fully featured calculator for those who need to make more complex calculation

The default Android calculator will fall short for those who need to make complex calculations. RealCalc Donate help you out in this way by allowing you to perform formulas and functions (sin,cos,tan...). Thus, you will be able to calculate percentages, binary, octal and hexadecimal terms, functions in degrees radians or grands among many others. What's more, it displays in scientific, engineering and fixed-point modes, as well as RPN mode. It allows you to keep even 10 memories. Especially useful is the data size conversions in multiples of 1024 (Kb, Mb, Gb...).

This is the paid version of RealCalc Scientific Calculator (£1.99). There's also a free version if you want to give a try first.

RealCalc Donate has been developed by Quartic Software, who has just launched the free and paid version of this calculator. It's considered one of the best scientific calculator on the market though.

If you're one of those who daily needs to make some complex calculations, there's no need to buy a scientific calculator: you can download it from here. It's as the same as having a real one but taking advantage of your phone potential. A must have on this issue.

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Developer's original description available here
RealCalc Plus is the enhanced version of Android's #1 Scientific Calculator, RealCalc - a fully featured scientific calculator which looks and operates like the real thing.

RealCalc Plus includes the following features:
* Traditional algebraic or RPN operation
* Fraction calculations and conversion to/from decimal
* Degrees/minutes/seconds calculations and conversion
* Result history
* User-customizable unit conversions
* User-customizable constants
* Percentages
* 10 memories
* Binary, octal, and hexadecimal (can be enabled in Settings)
* Trig functions in degrees, radians or grads
* Scientific, engineering and fixed-point display modes
* Landscape mode
* Configurable digit grouping and decimal point
* Full built-in help

* If you want data size conversions in multiples of 1024, use kibibytes, mebibytes, gibibytes, etc - see

* If the percent key appears to give wrong answers, make sure you are pressing '=' at the end, e.g. '25 + 10 % =' will give 27.5.

* If sin/cos/tan functions don't give the answer you are expecting, make sure you are in the correct angle mode. Degrees, radians and grads are supported, indicated by DEG, RAD, GRAD in the display. Use the DRG key to change mode.

* If any of the digit keys are disabled, or the decimal point doesn't work, or you have answers with letters in, or basic arithmetic appears to be wrong, then you are in binary, octal or hexadecimal mode. Press DEC to return to decimal operation. If you don't need these modes, please make sure that 'Enable Radix Modes' is disabled in the settings.

* If you can't find HEX, BIN or OCT modes, go to the settings and make sure that 'Enable Radix Modes' is checked.

Please read the help for more information.

Recently changed in this version

* Fixed bug in display of small negative DMS values.

Lists with RealCalc Plus

Some lists where this application appears: Reviewed by Emmanuel Lund.

Comments and ratings for RealCalc Plus
  • (77)

    by tim brown on 12/04/2014

    Mainly bought this to support the developer as the free one is very good. but if we get any more good features all the better.I paid £1.99 less than the price of a pint of beer down at my local pub. Only bit im not so keen on is the about screen every tim

  • (77)

    by Eric Palmer on 11/04/2014

    Either i or j, but one is needed. I would feel loved if j appeared. Could also use other log bases. Other than that, a pretty solid calculator.

  • (77)

    by Mehmet Engin ÇELEN on 11/04/2014

    Show; "5+6+3+9+36+45+35=" in the same line. It is so easy

  • (77)

    by Luc Nanquette on 08/04/2014

    but I get 2 stupid delete buttons on top that should be located in settings. -2 stars. But still the best android calculator.

  • (77)

    by Aurelius R on 08/04/2014

    I use this app on both my smartphone and tablet. It is easily the best application available as a calculator in Android. There is no other option even comes close! As a software programmer, the radix modes are invaluable. Also, when developing circuit boa

  • (77)

    by Eric Nary on 03/04/2014

    Best all day android calculator period. This is clean and efficient. Just enough and not excessive.

  • (77)

    by Liang Sun on 02/04/2014

    Like a real