BizMathica sports an easy to use and friendly interface, optimized for BlackBerry keyboard and trackball (or trackwheel) input.

BizMathica is a MUST HAVE for every BlackBerry owner with support for: results with up to 12 significant digits, algebraic expression entry, 30+ predefined formulas, user-definable formulas for easy evaluation of recurring calculations and a ticker tape interface for viewing previous calculations.

Give BizMathica a try to fully assess its capabilities!