Apply suggestions from code review

Applying to check behavior in tool, I have a really hard time reading the github interface suggestions...

Co-authored-by: Hans Olsson <HansOlsson@users.noreply.github.com>

Author: maltelenz

Modelica/Blocks/Math.mo

@@ -1687,7 +1687,23 @@ y = <strong>tanh</strong>( u );
           Line(
             points={{-90,-80.3976},{68,-80.3976}},
             color={192,192,192},
-            smooth=Smooth.Bezier),
+          Line(points={{0,-80.3976},{0,68}}, color={192,192,192}),
+         Polygon(
+           points={{0,90},{-8,68},{8,68},{0,90}},
+           lineColor={192,192,192},
+           fillColor={192,192,192},
+           fillPattern=FillPattern.Solid),
+         Text(
+           extent={{-86,50},{-14,2}},
+           textColor={192,192,192},
+           textString="exp"),
+         Line(
+           points={{-90,-80.3976},{68,-80.3976}},
+           color={192,192,192}),
+         Line(points={{-80,-80},{-31,-77.9},{-6.03,-74},{10.9,-68.4},{23.7,-61},
+               {34.2,-51.6},{43,-40.3},{50.3,-27.8},{56.7,-13.5},{62.3,2.23},{
+                67.1,18.6},{72,38.2},{76,57.6},{80,80}},
+              smooth=Smooth.Bezier),
           Polygon(
             points={{90,-80.3976},{68,-72.3976},{68,-88.3976},{90,-80.3976}},
             lineColor={192,192,192},
@@ -1737,7 +1753,23 @@ y = <strong>exp</strong>( u );
             points={{-90,-80.3976},{68,-80.3976}},
             color={192,192,192},
             smooth=Smooth.Bezier),
-          Polygon(
+          Line(points={{0,-80.3976},{0,68}}, color={192,192,192}),
+         Polygon(
+           points={{0,90},{-8,68},{8,68},{0,90}},
+           lineColor={192,192,192},
+           fillColor={192,192,192},
+           fillPattern=FillPattern.Solid),
+         Text(
+           extent={{-86,50},{-14,2}},
+           textColor={192,192,192},
+           textString="^"),
+         Line(
+           points={{-90,-80.3976},{68,-80.3976}},
+           color={192,192,192}),
+         Line(points={{-80,-80},{-31,-77.9},{-6.03,-74},{10.9,-68.4},{23.7,-61},
+               {34.2,-51.6},{43,-40.3},{50.3,-27.8},{56.7,-13.5},{62.3,2.23},{
+                67.1,18.6},{72,38.2},{76,57.6},{80,80}},
+              smooth=Smooth.Bezier),
             points={{90,-80.3976},{68,-72.3976},{68,-88.3976},{90,-80.3976}},
             lineColor={192,192,192},
             fillColor={192,192,192},
@@ -1784,7 +1816,22 @@ y = base <strong>^</strong> u;
           Line(
             points={{-90,-80.3976},{68,-80.3976}},
             color={192,192,192},
-            smooth=Smooth.Bezier),
+          Line(points={{0,-80.3976},{0,68}}, color={192,192,192}),
+         Polygon(
+           points={{0,90},{-8,68},{8,68},{0,90}},
+           lineColor={192,192,192},
+           fillColor={192,192,192},
+           fillPattern=FillPattern.Solid),
+         Text(
+           extent={{-86,50},{-14,2}},
+           textColor={192,192,192},
+           textString="^"),
+         Line(
+           points={{-90,-80.3976},{68,-80.3976}},
+           color={192,192,192}),
+         Line(points={{-80,60},{-70,27.2},{-60,-1.3},{-50,-25.3},{-40,-45},{-30,-60.3},
+               {-20,-71.3},{-10,-77.8},{0,-80},{10,-77.8},{20,-71.3},{30,-60.3},{
+               40,-45},{50,-25.3},{60,-1.3},{70,27.2},{80,60}}, smooth=Smooth.Bezier),
           Polygon(
             points={{90,-80.3976},{68,-72.3976},{68,-88.3976},{90,-80.3976}},
             lineColor={192,192,192},