Forgetting curve clock

[jujubeja]

Checklist

• [X] I made sure that there are no existing issues - open or closed - to which I could contribute my information.
• [X] I made sure that there are no existing discussions - open or closed - to which I could contribute my information.
• [X] I have read the FAQs inside the app (Menu -> About -> FAQs) and my problem isn't listed.
• [X] I have taken the time to fill in all the required details. I understand that the bug report will be dismissed otherwise.
• [X] This issue contains only one feature request.
• [X] I have read and understood the contribution guidelines.
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Feature description

Generate a clock based on the forgetting curve

1. clock Title
2. Start/End button
3. Generate Forgetting curve clock after clicking End

Why do you want this feature?

Forgetting curve Scientific arrangement of review time

Additional information

https://en.wikipedia.org/wiki/Forgetting_curve