Scientific calculator, simple and convenient, fast and efficient, make calculation more simple.
Subscriptions:
1.Users can only use features such as calculators unlimited times by paying for a subscription;
2.Subscription will be deducted from the users iTunes account upon confirmation of purchase, free trial for three days, renewable automatically, renewal fee $39.99/year;
3. Users can turn off auto-renewal 24 hours before the end of the current subscription, otherwise the subscription will be automatically renewed;
4. The Apple ID of the automatically renewed subscription will be automatically deducted from the iTunes account 24 hours before the expiration of each billing cycle and the corresponding validity period will be extended;
5. Users manage the subscription service, i.e., they can go to their user accounts to set off automatic subscriptions after purchase.
Terms of Service
https://bx9nsbdd0d9.feishu.cn/docx/A99Fd1T4QoEDlOxQAo8c9p9bnOh
Privacy Policy
https://bx9nsbdd0d9.feishu.cn/docx/INEnd7YDyoQYgVxmimkc56f7nNg