<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN"> <HTML><HEAD> <META http-equiv=Content-Type content="text/html; charset=iso-8859-1"> <META content="MSHTML 6.00.6000.16809" name=GENERATOR> <STYLE></STYLE> </HEAD> <BODY bgColor=#ffffff> <DIV><FONT face="Courier New" size=2>In the typed-scheme reference I see base types Number and Integer. I want a type for reals, because many numerical functions accept/return reals but not complex numbers. </FONT><FONT face="Courier New" size=2>Is this possible? How? </FONT></DIV> <DIV><FONT face="Courier New" size=2>Jos</FONT></DIV></BODY></HTML>