I wonder if anyone can help me, i need to work with some items in dozens, i have seen sheets such as mine that have been formulated to count and subtract in dozens but I have no idea how to do it for example 1.1 + 1.11 = 2 or 1.1 + 1.10 = 2.11

I would like the units on my sheet marked as dozens to perform the same as the units that count in gallons or singles.

I am very grateful to anyone who can help

Attached Files

Example stock.xls (72.5 KB, 13 views)

I did find this when searching, could it be adapted for my sheet

=DOLLARDE(SUBSTITUTE(A1,"-","."),12)*12

This is a clearer example of what i am needing help with
I would like to be able to enter and show the dozens as 1.02 + 1.06 =2.09

I send thanks anyone who can help me .

Attached Images

Capture.PNG (50.3 KB, 17 views)

Could you please post a sample sheet ( not a pic), showing some examples of data and expected results ? Which are your regional settings ?

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Thank you for your reply, this is what I would like the sheet to do I am using Windows 7 pro and office 2007
the profit column removes cost and UK Vat at 20% from the sales at retail getting the colums to count in dozens is my main problem

Attached Files

Book1.xlsx (11.4 KB, 13 views)