List Price: .9 5 Deal Price: .99 y ou Save: .96 (54%)Display: 10 characters x 2 lines. Formula Notation: Algebraic. Scientific Notation. Storage Memory: 7K. Variable Statistics: One. Levels of Parentheses: 18. Base Number Calculations. Logical (Boolean) Operations. Fraction Calculations. Fraction/Decimal Conversions. Complex Number Calculations. Probability (Random Number). Battery/Solar Powered: 6A675PK (sold separately). Handheld calculator with LCD display. Protective hard case and operating battery included.Expires Feb 9, 2011