SQL & PL/SQL

is there any data type like array of records that can be used in PLSQL programming?
Like I have a set of calculation done in a loop and want to load the records in the array once the loop is through the array of records has to be passed into a function as input.

I done want to load this into a temp table. I want this to happen dyanamically on fly with out storing in tables.

First this is that is there any data type for storring array of records

If available can this array be passed as output from one procedure and as an input another procedure.

if yes can any i get any small example or url where I can find the example.

Thanks in Advance
Nanda Kishore