10-Digit EL510RTB Scientific Calculator is built for students, finance users and professionals who need dependable calculations beyond basic arithmetic. Large 10-digit, 1-line LCD display. 169 functions. 2 modes: normal and stat. Battery and solar powered. Hard case included. It is well suited to classrooms, training rooms, home offices and workplace planning where quick, repeatable calculations matter. A strong fit for Canadian school supply lists, office supply orders and individual users who want a purpose-built calculator.