10-Digit EL-738XTB Scientific Calculator is built for students, finance users and professionals who need dependable calculations beyond basic arithmetic. 10-digit + 2 line display. (10 + 2). Cost/sell/margin/markup keys. Amortization, compound interest, depreciation, bond calculations. Basic scientific functions. 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.