This is the second of a series of columns on software project
estimating. The first column last month gave an overview of the subject.
If you have not read that column, I suggest you do so. Otherwise, you
may wonder why I am covering some of the topics and you will almost
certainly have trouble seeing how these columns fit into an overall
This column discusses program size and it provides a
general background for all the columns to follow.
Before discussing size estimating, it is important to
cover size measurement. The discussion of size
estimating starts next month. To repeat what I said
last month, if you are in a hurry to get to the punch
line, this set of columns describes an estimating method
called PROBE which is described in my book, A
Discipline for Software Engineering, from