Date difference in universe designer

building semantic layer
1

How do i calculate date difference of two column in the unverse using mc access databses

johnhill1102 (BOB member since 2012-01-30)

2

Google threw up this:
http://www.google.co.uk/url?q=http://office.microsoft.com/en-us/access-help/calculate-the-difference-between-two-date-or-time-values-HP001098486.aspx&sa=U&ei=19ImT4veEarm0QH76ojlCA&ved=0CBIQFjAA&usg=AFQjCNHIPrJ9y2hs2IC4x0aEC4zpEXouSg

3

Thanx

johnhill1102 (BOB member since 2012-01-30)