Magic Number Machine is a complete calculator for Mac OS X (10.4 or later),Its a free piece of software (with source code) than has some really neat tricks up its sleeve to help you work out any of your calculations.Users of Mac OS X 10.2.8/10.3.9 can download a special version of the first version to the latest bugs fixed.

**Features of Magic Number Machine:**

- 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.

**Magic Number Machine**, is only for Mac OS X. Anyone who uses Windows should wait for Windows 7 Calculator to be able to savor something with 25 digits of precision and so many buttons, constant and notation systems.

**Magic Number Machine** is avery good little application that should replace Apples calculator app any day. It can also calculate from base 2 (binary) all the way up to base 64 hex, which is very cool. If you know of any other maths calculators or programs please leave a comment below

**Link: **Magic Number Machine

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