Excel formula

Occasional Visitor

Hi Superstars, please help, I just cannot wrap my head around this function I'm trying to do.


I have a spreadsheet of my daughter's medication, I have counted out the number of pills she has "in stock", how much she needs to take on a daily basis and how many days stock she has. I would like excel to automatically calculate how the amounts remaining once we plug in a yes/no in a cell. Sheet attached for you to see what I am talking about (I am shocking at communication)

Thank you



1 Reply


In the attached version, I have inserted two columns for the remaining quantity and days. Both use the COUNTIF function to subtract from the initial values.