Added number function to SquiggleChart

packages/components/src/stories/SquiggleChart.stories.mdx

@@ -153,11 +153,11 @@ to allow large and small numbers being printed cleanly.
   </Story>
 </Canvas>
 
-## Functions
+## Functions (Distribution Output)
 
 <Canvas>
   <Story
-    name="Function"
+    name="Function to Distribution"
     args={{
       squiggleString: "foo(t) = normal(t,2)*normal(5,3); foo",
       width,
@@ -167,6 +167,20 @@ to allow large and small numbers being printed cleanly.
   </Story>
 </Canvas>
 
+## Functions (Number Output)
+
+<Canvas>
+  <Story
+    name="Function to Number"
+    args={{
+      squiggleString: "foo(t) = t^2; foo",
+      width,
+    }}
+  >
+    {Template.bind({})}
+  </Story>
+</Canvas>
+
 ## Records
 
 <Canvas>

packages/components/src/vega-specs/spec-distributions.json

@@ -82,6 +82,9 @@
           "y2": {
             "scale": "yscale",
             "value": 0
+          },
+          "fill": {
+            "value": "#2f65a7"
           }
         }
       }