PiSquared 4+


    • $1.99
  • Only on Apple Watch

Apple Watch Screenshots


PiSquared is an RPN-only calculator for the Apple Watch. It supports a wide variety of mathematical and scientific functions as well as binary operations for programmers. Integer, floating point (real) and complex numbers are equally supported.
These functions are available:
- calculation of the number of combinations or permutations for integer numbers
- factorials for integer numbers or Gamma function for positive non-integer numbers
- trigonometric, logarithmic, exponential and hyperbolic functions for floating point and complex numbers
- date and time conversions
- logical operations for binary, octal or hexadecimal numbers
- cartesian to polar coordinate conversions and vice versa (floating point numbers)
- degrees to radians and vice versa conversions (floating point numbers)
- absolute, integer and fractional value of a number (floating point and partially complex numbers)
- rounding of a real number (standard rounding and rounding up or down)
- random number generator
and some more.
The calculator has a stack depth of ten and features ten additional storage registers. All storage registers and the stack can be inspected. The stack itself can be manipulated by moving it up or down or by swapping its two topmost elements.

App Privacy

The developer, skywind, indicated that the app’s privacy practices may include handling of data as described below. For more information, see the developer’s privacy policy.

Data Not Collected

The developer does not collect any data from this app.

Privacy practices may vary, for example, based on the features you use or your age. Learn More


  • Family Sharing

    Up to six family members can use this app with Family Sharing enabled.

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