Software Special of the Day: iota-calc X 1.7 (Universal) for 50% Off Today Only--$9.99

iota-calc is a programmer's calculator. Its key features are:

• Supports a rich expression format, which is in most cases identical to what you would type in your programming language.
  
• Support for adding unlimited numbers of variables or variable expressions.
  
• Built-in debugger that lets you see the expression simplified step by step.
  
• Debugger Back-step lets you backup as many steps as you like so that you can replay critical operations.
  
• C/C++ operator precedence.
  
• Mouse optional, all calculator commands and functions can be done using the keyboard alone.
  
• Mini-Calc Mode lets your calculator take up very little screen real estate, and yet remain entirely usable.
  
• Running paper tape(s) (1 per calculator) for calculations, allows annotations, and is stored between runs.
  
• Built-in ASCII chart makes it easy to look up even invisible characters.
  
• View results in big endian (default) or little endian.
  
• Numerous built-in unit conversions (memory sizes, lengths, areas, volumes, temperatures etc.)
  
• Built-in great circle route and straight line distance calculator.

Normally $19.95, iota-calc X 1.7 (Universal) is offered for $9.99--that's 50% off as Today's MacUpdate Software Promo. [Bill Fox]