10-Digit Financial Calculator

EL-501WBBK Scientific Calculator. Display Characters x Lines - 8+2 x 1. Formula Notation - Algebraic. 3-Key Memory. Storage Memory - 1. Variable Statistics - Two. Levels of Parentheses - 15. Base Number Calculations. Complex Number Calculations. Probability (Random Numbers). Battery Powered. Size - 3-1/8w x 5-3/4d. Replacement Battery - 1.5V Silver Oxide (EVEEPX76BP), sold separately. Portable calculator with LCD display. Protective hard case and operating battery included..