Financial Desktop Aluminium, Black 10 digits LCD Memory registers: 20 Battery CR2032 HP 12c Platinum Financial Calculator; Box includes Calculator, batteries, user manual, pouch. Display Description: 10 x 7-segment, single line. Built-in Functions: over 130. Character Display Maximum: 10. Entry System Logic: RPN; Algebraic. Graph Display Features: adjustable contrastA time-tested performer, the HP 12c has an easy-to-use layout, one-line LCD display and efficient RPN data entry. Easily calculate loan payments, interest rates and conversions, standard deviation, percent, TVM, NPV, IRR, cash flows, bonds and more. Over 120 built in functions.- Customizing Features.- Keystroke programming Memory capacity: 399 steps.- Time and Date Management.- Date arithmetic.- The Time-Tested Performer.- Business/Financial Features Statistical/Mathematical Features, Time and Date Management, and Customizing Features, Attractive one line x 10-character LCD display, Select business functions at your fingert