# 2-line 10+2 natural textbook display # Simplifies entry by showing formula & results as they appear in textbook # More than 403 built-in mathematics functions including basic & advanced scientific, exponential & trigonometric functions, fractions & regression analysis # Multi-replay function allows user to step back through calculations, edit & recalculate # 1 independent memory & 6 constant memories # Solar power # Includes slide-on hard case