RealCalc Plus APK is the pro version of RealCalc, one of Android’s most popular scientific calculators.

RealCalc Plus APK is designed to look and work just like a real handheld calculator. It has all the standard scientific functions plus degree/minute/second fractional history memories, customizable unit conversions and constants. You can choose from a number of styles and display formats. It also supports binary octal and hexadecimal calculations and has an optional RPN mode. RealCalc Plus is easy to use but has comprehensive help included in the application.

RealCalc Plus APK includes the following features:
* Traditional algebraic operation or RPN
* Fraction calculations and conversion to/from decimal
* Calculations and conversion degrees/minutes/seconds
* 12 digit display
* Extended internal precision (32 digits)
* User customizable unit conversions
* User customizable constants
* Percentages
* History of results
* 10 memories
* Octal and hexadecimal binary (can be enabled in settings)
* Trigonometric functions in degrees radians or grads
* Scientific engineering and fixed-point display modes
* 7-segment dot-matrix display or standard font
* Landscape mode
* Home screen widget (now with RPN support)
* Configurable digit grouping and decimal point
* Three RPN styles: direct input (classic RealCalc mode) buffered input or XYZT rolling stack
* Support for multiple windows with drag and drop
* External keyboard support
* Comprehensive built-in help