Adding up columns of numbers- do you have stat(1G)

[Doug Gwyn <gwyn>]

> If you have graphics in /usr/bin, type "graphics"
> and when you get the prompt "^" type 
> "whatis" - surprise! user-friendly help messages from
> UNIX that tell you what you need to know.
> Other useful math utilities are available to users include:
> mean and variance, powers, roots, exponentials, logs, rand, etc.

Unfortunately, PWB/Graphics is flagged to be phased out of System V
in three years, according to the Interface Definition.  I sure hope
a replacement is ready before then!