Casio DJ-220D Plus Financial Calculator, Silver/Black

300 Steps check 12 digits two-way power, solar and battery, auto review by pressing one single button. Correct while reviewing a calculation, you can make changes in values ​​and operators and re-execute to obtain a new result. Go to jump to a particular calculation step by pressing one single button. Insert, add steps, delete steps, ans/check answer memory, recall a previous calculation result and use it in the next calculation. Ans/check double check, compare the results of two calculations. Gt grand total, automatic totalization of the results of different calculations.