Hi!

The PAK-I and PAK-II Math Coprocessors.

PAK-I:
http://www.awce.com/pak1.htm
http://www.awce.com/pak1.pdf

PAK-II:
http://www.awce.com/pak2.pdf

PAKs and PICBasic Pro:
http://www.awce.com/picbasic.htm


I don't know if these Coprocessors can solve your problem.
Read the PDF files.

Best regards,

Luciano