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RealCalc - A Realistic Scientific Calculator for Android

RealCalc is a slightly retro but fully featured scientific calculator which looks and operates exactly like the real thing.

Features include:

  • Traditional algebraic or RPN operation
  • 7-Segment, dot-matrix or standard font display
  • Powers, roots, logarithmic and exponential functions.
  • Percentage calculations.
  • Trigonometric functions in degrees, radians or grads.
  • Hyperbolic functions.
  • Factorials, permutations and combinations.
  • Fraction calculations and conversion to/from decimal (RealCalc Plus only).
  • Degrees, minutes and seconds support (RealCalc Plus only).
  • 10 memories with memory contents dialog for store and recall.
  • Previous result history.
  • Unit conversions for distance, area, volume, mass, speed, time, force, pressure, energy, power, temperature and data sizes (user-customizable on RealCalc Plus).
  • Physical constants table (user-customizable on RealCalc Plus).
  • Fixed-point, scientific and engineering notation display modes, with adjustable decimal places.
  • Hexadecimal, octal and binary modes with logical operator functions.
  • Customizable decimal point and digit grouping format.
  • Three RPN styles (RealCalc Plus only):
    • Direct-entry with unlimited stack (classic RealCalc mode)
    • Buffered-entry with unlimited stack (like HP-48)
    • XYZT rolling stack (like HP-42)
  • Adjustable haptic feedback and long-click support.
  • Copy and paste support for display value, internal value, memories, history and RPN stack.
  • Comprehensive built-in help.
  • High-resolution graphics for any display size or resolution.
  • Portrait and landscape orientation (RealCalc Plus only).

You can download it from the Google Play Store - search for RealCalc or click on the icon above.

If you find RealCalc useful, please consider purchasing RealCalc Plus to gain access to extra features and to support further development. RealCalc Plus can be found here. Thank you.

Latest News

FRIDAY, 2 JANUARY 2015 11:30

RealCalc v2.0.3 released

What's new:

  • Restored missing button-feedback setting for pre-Honeycomb devices.
  • Added option to swap left/right keypads in landscape mode (RealCalc Plus only).
  • A few minor UI fixes.

TUESDAY, 23 DECEMBER 2014 11:10

RealCalc v2.0.1 released

What's new:

  • New menu button (above SHIFT) for phones with Honeycomb or later.
  • New 7-segment and dot-matrix display options.
  • 12-digit display (RealCalc Plus only).
  • Increased exponent range up to 999.
  • Increased internal precision to 32-digit (RealCalc Plus only).
  • New RPN modes (RealCalc Plus only).
  • New repeat-calculation behaviour: press operator twice (K shown in display).
  • Constants updated to NIST 2010 values.
  • Memory and history clear on dialogs.
  • Various UI improvements.


RealCalc v1.7.4 released

What's new:

  • Fixed bug in display of small negative DMS values (RealCalc Plus only).

Note that this release is only for RealCalc Plus, the free version has not been updated.

More news...