--- loncom/homework/inputtags.pm	2019/08/11 17:11:00	1.349
+++ loncom/homework/inputtags.pm	2021/09/05 05:55:50	1.353
@@ -1,7 +1,7 @@
 # The LearningOnline Network with CAPA
 # input  definitons
 #
-# $Id: inputtags.pm,v 1.349 2019/08/11 17:11:00 raeburn Exp $
+# $Id: inputtags.pm,v 1.353 2021/09/05 05:55:50 raeburn Exp $
 #
 # Copyright Michigan State University Board of Trustees
 #
@@ -1047,6 +1047,7 @@ sub decideoutput {
 	  'not_charged_try' => 'LC_answer_not_charged_try',
 	  'no_grade'        => 'LC_answer_no_grade',
 	  'no_message'      => 'LC_no_message',
+          'no_charge_warn'  => 'LC_answer_warning',
 	  );
 
     my $part = $Apache::inputtags::part;
@@ -1210,8 +1211,12 @@ sub decideoutput {
     } elsif ($award eq 'SIG_FAIL') {
 	my ($used,$min,$max)=split(':',$awardmsg);
 	my $word = ($used < $min) ? 'more' : 'fewer';
-	$message = &mt("Submission not graded. Use $word digits.",$used);
-	$css_class=$possible_class{'not_charged_try'};
+	$message = &mt("Submission not graded. Use $word significant figures.");
+        if (&Apache::lonhomework::show_some_problem_status()) {
+            $css_class=$possible_class{'no_charge_warn'};
+        } else {
+            $css_class=$possible_class{'not_charged_try'};
+        }
 	$button=1;
     } elsif ($award eq 'UNIT_INVALID_INSTRUCTOR') {
 	$message = &mt('Error in instructor specifed unit. This error has been reported to the instructor.', $awardmsg);
@@ -1911,7 +1916,9 @@ sub previous_tries {
         $function_name .= &js_escape($id);
     }
     $function_name .= '_'.$Apache::lonxml::counter;
-    my $result = &Apache::loncommon::modal_adhoc_window($function_name,420,410,$output,&mt($tries_text))."<br />";
+    my $possmathjax = 1;
+    my $result = &Apache::loncommon::modal_adhoc_window($function_name,420,410,$output,
+                                                        &mt($tries_text),$possmathjax)."<br />";
     return $result;
 }