PCO Calc/game and calculator vs Flash電卓　フラッシュ暗算×電卓使用状況と統計

An application made by the active Pest Control Operator! ◆It's a calculator with a game "PCO Calc".◆ ■ Calculator • Displays calculation history • Tap a number in the history to use it for calculation • In addition to the history, there are up to 5 memory functions • There is no advertisement display on the calculator ■ Game • Mental game to get rid of pests • It's good for brain teasers! • 8 stages in total. Unique pests will appear at each stage • Easy mode for slow calculation