Formulas for calculating the number of tasks

Employer
[no-member:pro]Dmitry[/no-member:pro]Dmitry
Project parameters
Type of cooperationOne-time project
SectionEducation and consulting
Prepaymentwithout prepayment
Payment methodsBank transfer, Electronic money
Acceptance of requestsclosed
Project description
Offering additional income on the Internet. You need to write formulas that will calculate:
1. Number of tasks per time interval with a repetition period N.
2. Checking whether the task is present at this date.
For example: water the flowers every N days or weeks or months or years from that date to another.
Input:
1) Start date
End date
(3) Repeat interval
4) Type of repetition interval: day/week/month/year
* The end date cannot be used to verify the existence of a task at the date, as it may not be
1. Number of tasks per time interval with a repetition period N.
2. Checking whether the task is present at this date.
For example: water the flowers every N days or weeks or months or years from that date to another.
Input:
1) Start date
End date
(3) Repeat interval
4) Type of repetition interval: day/week/month/year
* The end date cannot be used to verify the existence of a task at the date, as it may not be