Company SuperDG Inc. created these great apps:
Basic Calculator -, Basic Calculator Pro, Good Calc Pro - Focusing on the most basic calculation system!, Good Calc - Focusing on the most basic calculation system!, Minibudget Pro, Budget management - MiniBudget, Happycuit Pro - Percent calc, Percent calc - Happycuit, scale trading - WaterMix, WaterMix Pro - scale trading, MemoCalc Pro - Memo+Calculator, MemoCalc - Memo + Calculator, and others..
