Layout Improvements (New Fonts)

MathPad/MPSumFunctionLayout.m

@@ -62,7 +62,7 @@
     CTLineRef line = [self lineForPrivateCacheIndex:0 generator:^CTLineRef{
         return [self createLineForString:@"∑"
                                usingFont:[NSFont fontWithName:@"Times New Roman"
-                                                         size:self.fontSize]];
+                                                         size:self.contextInferredFontSize]];
     }];
     return line;
 }