16-Digit W516XG Scientific Calculator is built for students, finance users and professionals who need dependable calculations beyond basic arithmetic. Large 16-digit, 4 line LCD display. WRITEVIEW™ display. 640 functions. 7 modes: normal, stat, drill, complex, matrix, list & equation. 8 temporary, 4 formula, & 4 definable memory buttons. 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.