The versatile CASIO fx-290A calculator, capable of everything from basic to advanced calculations. - Brand: CASIO - Model: fx-290A - Functions: Basic calculations, arithmetic operations, parentheses calculations, fraction calculations, degree-minute-second (sexagesimal) calculations, reciprocal calculations, percentage calculations, exponentiation, π (pi) input, irrational number (√) calculations, numerical rounding function - Advanced Calculations: Base of the square logarithm - Application Calculations: Multi-statement function, continuous calculation function, replay function, multi-replay function Thank you for viewing. As you can see, the box has tears and scratches, but the contents are in good condition. The calculator cover and instruction manual are also included. As shown in the photos, the on button has a slight scratch. *Operation confirmed* Please understand that this is a used item before purchasing. Will be shipped in simple packaging.