Product features Programmable Financial Graphing Number of Functions : Over 2900 Product type Programmable Financial Graphing Number of digits 10 2 digits Liquid crystal display Natural textbook display Icon menu Backlight Dot matrix display Key characteristics Plastic keys Key functions Negative Sign Power Off Memory No. of memory: 28 Answer Memory Add-in Function Memory Protection Reset Function Power supply AAA-size Battery AAA×4 Approximate battery life Main 280 hours Auto Power Off
