Downloading RPNcalc-15c 2.1 for Mac from the developer's website was possible when we last checked. We cannot confirm if there is a free download of this app available. The actual developer of this software for Mac is bitPUNCH. We recommend checking the downloaded files with any free antivirus. RPNcalc-15c for Mac lies within Productivity Tools, more precisely Calculators.
From the developer:
The RPNcalc-15 is a full featured high end scientific RPN calculator with support for complex numbers and matrix math.
Main features:
- Scientific number format.
- Engineering number format.
- Integer truncation and absolute value.
- Trigonometric and inverse trigonometric functions.
- Hyperbolic and inverse hyperbolic trigonometric functions.
- Trigonometric modes (degrees, radians, grads).
- Combinations and permutations.
You may want to check out more software for Mac, such as PinholeCalc, MiaPrintingCalculator or Houbysoft Calculator, which might be related to RPNcalc-15c.