Thanks to all of you for your comments and suggestions. I've found a floating point math pack (which is working) in one of the forum threads. Its address are shown below:

http://www.code.archive.aisnota.com/
The file is fp-52.src.gz

Anybody who is interested in doing floating point math in assembly can use the math pack. However, a few tweaks have to be done on the addressing before it can work.

Anyhow, I can proceed with my project now.

Thanks again.