Product features Non Programmable Non Graphing Number of Functions : 417 Product type Non Programmable Non Graphing Number of digits 10 + 2 digits Liquid crystal display Natural textbook display Dot matrix display Key characteristics Plastic keys Key functions Negative Sign Power Off Memory Variables: 9 Independent Memory (M / M+ / M-) Answer Memory Memory Protection Reset Function Power supply Solar & Battery Approximate battery life Main 3 years Auto Power Off Accessories Hard Case
