Maths: Calc Quiz电脑版

Calc Quiz is an app for your kids to learn Maths operations ( addition, subtraction, multiplication ) by challenging himself with a countdown in every question. Calc Quiz is an app can be a great source of learning for your kids studying. We use big size letters and numbers. We don't need or take any of devices data or ask kids to enter their infos. We don't use any bad photos or bad words in our app. We don't own images we did use free images. We totally respect General Data Protection Regulation (GDPR). And we had removed any sensitive ads can be harmed for your kids, you can email us if we missed any harm ad. Any problem or advice contact us on our email.