One Time Formula

J

JungleJim74

I have a spreadsheet for my budget and I need to calculate how much is needed
from my savings account so that my wife and I have $700.00 to live on each
month. I calculate this by subtracting the balance in my checking account
from the total of the bills to be paid that month. This needs to be a one
time calculation as the amount of the bills to be paid each month can change
but the amount needed from savings should remain the same. Is there a way to
have this formula run just once at the beginning of each month? Thank you in
advance for any help on this.
 
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