Standard Scientific Calculators Features Fraction calculations Combination and permutation Statistics (STAT-data editor, Standard deviation, Regression analysis) 9 variable memories Comes with slide-on hard case Product features Non Programmable Non Graphing Number of Functions : 401 Product type Non Programmable Non Graphing Number of digits 10 2 digits Liquid crystal display S-V.P.A.M. (Super Visually Perfect Algebraic Method) 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
