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jdmagoo
 
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Default how do i create a reducing number that reduces at certain dates

Hi all, basically what im trying to create is a spreadsheet showing how many
payments i have left on an item i purchased. Now i pay $100 on this item on
every 2nd friday. So my question is, what is a formula that will look at
todays date and reconise that it is the second friday when payment is due and
reduce a given figure in a cell by $100. For example, Total cost is $1000,
payments = $100, payments are due on 07/10/05, 21/10/05, 04/11/05 etc So when
the 07/10/05 arrives total cost will = $900, when 21/10/05 arrives total cost
will = 800 etc. Obviously when the date is other than specified the total
cost dosnt change.

Hopefully i have made my self clear and somebody can help out with ths dilema

Many thanks
James