**Magic Number Machine** is a high-precision scientific calculator for Mac OS X

Magic Number Machine

A free, full-featured, graphically laid out, high-precision, scientific calculator for Mac OS X 10.4 and greater. Full source-code is included with the distribution.

Good if you need to enter large expressions or have accurate precision. “Data” drawers allow statistical data, linear regression and gaussian elimination. All parts of the program support complex numbers and hexadecimal numbers.

File Size: 1.8MB

Requires Mac OS X 10.4 or greater. Native Intel Mac support (universal binary). Source code requires XCode 2.2 or greater.

Users of Mac OS X 10.2.8 to 10.3.9 can download the special 1.0 Build which incorporates all major bugs fixed up to 1.0.22.

Program Features:

The program’s feature list goes something like this:

* 25 accurate digits of precision

* Complex numbers

* Hexdecimal, octal, binary, decimal and 2’s complement display.

* Floating point numbers, even in non-decimal radices.

* A full expression history (go back to anything)

* A graphical display that you can click on to change the entry point

* Value memory limited only by computer memory.

* Statistics functions

* Linear regression

* Matrix functions including gaussian elimination, inversion and determinants.

* Large number of scientific constants built-in.

**http://download.cnet.com/Magic-Number-Machine/3000-2053_4-44373.html**