РЕШЕНИЕ ПРОЦЕНТОВ pro for Android
FREE VERSION: https://play.google.com/store/apps/details?id=gmailatomrev.com.fast_solve_perecent_ru
PRO VERSION "PERCENT SOLUTION" will help you to quickly and conveniently calculate percentages.FREE VERSION: https://play.google.com/store/apps/details?id=gmailatomrev.com.fast_solve_perecent_ru