can someone explain this =table function?

[mark692]

hello guys im trying to modify this FIFO file here in this page, i need someone to explain the =table(,h2) on column M

heres the link:
Office FIFO calculation with Excel Data Table

thanks guys

 

[RoryA]

That's a data table formula - see this page for information: Calculate multiple results by using a data table - Excel

 

[mark692]

ohh i though its array im trying to ctrl shift enter,hmmm

 

[RoryA]

It is array entered.