【實用遊戲app】Calculations|最夯免費app-綠色工廠好玩App

Calculations is the first piece in the puzzle of hcetech's soon-to-come brain boosting suite of applications. It's fairly simple; you have to answer 20 calculation questions, and you've got 4 options and a five-second time limit for each of them.The questions will be updated regularly, keeping your mathematical skills in check… so the challenge never stops!Download this app and boost your brain today!