MoodDairy-Keep your good mood vs PEMDAS - Order of operations Usage & Stats

Mood diary Keep your good mood Simple function, let you away from other troubles, focus on daily mood record. No advertising at all, don't let it affect your good mood. New night mode to protect your eyes. Icloud synchronization protects your data from loss. More features are being developed, please look forward to it. [notes on continuous subscription of mood diary members] -You can enjoy the payment function of all mood diaries during the subscription period. -The mood diary has two subscription cycles: monthly and annual. -The fee will be charged through your iTunes account at the time of purchase confirmation. -According to the app store automatic renewal rules, members will automatically renew their contracts (including free trial) within 24 hours before the end of the subscription period. You can unsubscribe at least 24 hours before the end of the subscription period. -Unsubscribe through account settings - manage subscription. -Terms of use: https://www.yuque.com/docs/share/e11a50ea-8f9b-4a24-8017-7958e4794a01?# -Privacy Policy: https://juejin.cn/post/6916089541514231822