Casio HR-170RC Compact with 150 Step Check and Edit

CASIO's HR-170RC Portable printing calculator features several unique features. The "150 Step Check & edit" function provides easy review and correcting of numbers without the need to re-entering all your numbers if you make a mistake. The "After-Print-Function" provides the option to print the record of the calculation entries after all operations (max.150 operation steps) are entered). Re-Print-Function is the option to print a calculation (max. 150 operation steps) as often as desired) EG. Ma