I want to create a spreadsheet that will track the following:



Starting on 1 January I save 1p and each day thereafter I save the same as yesterday + 1p.

I want to keep a running total of how much is saved.

Depending on cashflow I want to be able to make deposits to this savings pot in bulk from time to time for example I might wish to make a payment today that will include the daily savings up to the 1st of next month so I want to be able to input the date 01/05/2022 and have the spreadsheet output how much I need to deposit.

I also want to be able to predict the value of my savings on any future date.

Can you give us 5 rows of example data that you would end up with? I'm not totally sure what you are doing. Just type the data in rows in a reply.

Unfortunately I am unable to upload an Excel file today.

Let's say the Columns are Date, Deposit, and Balance. Deposit in col B is when you make an additional deposit. Balance in col C is showing you the balance. So if there are headers in row 1, then your data would start in row 2.

Here's the formula for the balance starting in C2: =C1+B1+1

Column B is in pence since you are adding 1 pence per day in col C.

Let's try this upload. Remove .txt file extension to see what I did.

Attached Files

Bank.xlsx.txt (8.9 KB, 7 views)

Where does this answer come from? is the OP PM'ing you?

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From your description it appears you already have the formula that will provide your answer.

I think the attached file may help you; your question is a very good example to apply the "Gauss" formula, hoping I understood your point .

Bank.xlsx