Yeah, I'm sure there are several.  Check the blindness purveyors like 
irti.net, Independent Living etc.

In looking at independent living, they have several that do percentages, but I 
can't imagine they don't also do square roots, as that is a standard function 
on almost any simple calculator.

----- Original Message ----- 
From: "Bill Deatherage" <[log in to unmask]>
To: <[log in to unmask]>
Sent: Wednesday, January 21, 2009 12:00 AM
Subject: Re: amazing technology


Hello,
is there an afordible speach calculater made today with square  root on it?
Bill Deatherage