Thanks for the help. I have looked at the formula and it works if I copy and paste directly but when I make amendments to the formula to adjust for data range it either shows nothing in the cells (the brackets {} disappear when I make the changes) or when I add the {}brackets back in the cells...
I have a table that has three columns, Col1=customer, col2=product number, col3=customer number. When using a pivot table I get the product number in the x column and the product number in the y row however, the data can only sum the information at the coordinates when I require the customer...