One of the best Citizen Calculator with all the features of Citizen Calc. We have always tried to solve users day to day problems they are facing in business. Our Best Features:- * Best Business Calculator Pro. * Citizen Calculator * All Basic Features Like Volume and Vibrate on touch. * M+, M-, MR , MU,GT, SQRT, all the best features of Citizen Calculator. We always welcome your suggestion. Please write us at [email protected] if you have any suggestion for us.