Every student from 5th grade on can use the help of a scientific calculator for school and home assignments. Casio FX300ms is a powerful, compact calculator that's geared to provide function and use through high school and college. Time (DMS) calculations Logical operations 18 levels of Parentheses Converts and calculates different numerical bases (Decimal, Binary, Hexadecimal, Octal) Trigonometric functions 1 constant memory Powered by solar cells with internal battery back-up Convenient and protective case Size?3 w x 5 d Use DUR PX76A as a replacement battery