Get values at the previous 10 dates

[SRSB]

Hello,

I have a calculated field Note, where my user choses three dates 

then I want to calculate sum(Note) of the last 10 previous dates of the chosen date by my user.

for example if my user choses 29/072019 , I have to Sum the values of the following dates

Thank you.

Best regards.

[Usama]

Hi,

Can you please provide sample app?

Thanks