--- loncom/homework/default_homework.lcpm	2005/03/31 14:43:13	1.97
+++ loncom/homework/default_homework.lcpm	2005/03/31 17:12:37	1.98
@@ -1,7 +1,7 @@
 # The LearningOnline Network with CAPA 
 # used by lonxml::xmlparse() as input variable $safeinit to Apache::run::run()
 #
-# $Id: default_homework.lcpm,v 1.97 2005/03/31 14:43:13 albertel Exp $
+# $Id: default_homework.lcpm,v 1.98 2005/03/31 17:12:37 albertel Exp $
 #
 # Copyright Michigan State University Board of Trustees
 #
@@ -680,6 +680,11 @@ sub format_significant_figures {
     my $numSig = $xint*10**($x10-$sig+$power);
     # insert trailing zero's if have decimal point
     $numSig =~ s/^(\d+)\.(\d+)(\e?(.*)?)$/$1\.$2$zeros$3/;
+    # put a decimal pt for number ending with 0 and length = # of sig fig
+    $numSig.='.' if (length($numSig) == $sig && $numSig =~ /0$/);
+    if (length($numSig) < $sig) {
+	$numSig.='.'.substr($zeros,0,($sig-length($numSig)));
+    }
     # return number with sign
     return $sign.$numSig;