PCalc 2.2: a multifunction calculator for Mac OS X, 8 and 9 – Macitynet.it
This is a very old 1992 application, recently refreshed and working with both a platinum and Aqua look.
It is in practice a complete scientific calculator with support for hexadecimal, binary, octal calculations and also the Polish Reverse Notation (RPN) for fans of the glorious HP.Of course you will also find trigonometric functions. ) of the main constants. The registered version allows the use of a convenient "tape", a virtual tape where you can review all your latest operations.
Downloading it from the TLA Sustem website (the company created by the author and his wife Saskia) you will actually get two versions: the Classic that runs on any Mac 68k or PowerMac and the Carbon, the most beautiful and the one advertised by Apple in the Mac OS X screens on its latest machines: the functionality is identical.