From Obvious Software:
CalculX is a powerful scientific calculator for Mac OS X, featuring:
- Over 60 arithmetic, algebraic, trigonometric, combinatorial, statistical, bitwise, vector, and other operations.
- Powerful, extensible scripting language for advanced mathematics.
- 5 independant memories.
- Full functionality in hexadecimal, octal, and binary modes, and scientific notation in decimal mode.
- Editable, savable, printable tape window.
- Editable number list for batch operations, statistical, and vector operations.
- Editable lists of constants and conversion factors.
- Support for floating windows and transparency.