Somasundaram Meiyappan wrote:
>
> Please suggest a low cost Floating point arithmetic unit for interface with
> a  16F877.

http://www.dontronics.com/copro.html
may do the trick

Don McKenzie    mailto:don@dontronics.com      http://www.dontronics.com

World's Largest Range of Atmel/AVR and  PICmicro Hardware and  Software.
Free Basic Compiler and Programmer http://www.dontronics.com/runavr.html