diff --git a/engine-proto/ganja-test/ganja-test.html b/engine-proto/ganja-test/ganja-test.html
index 26eba9d..f1aeea7 100644
--- a/engine-proto/ganja-test/ganja-test.html
+++ b/engine-proto/ganja-test/ganja-test.html
@@ -19,14 +19,14 @@
 <body>
   <script>
   // in the default view, e4 + e5 is the point at infinity
-  CGA3 = Algebra(4, 1);
-  v1 = CGA3.inline(() => 1e1 + 1e5)();
-  v2 = CGA3.inline(() => 1e2 + 1e5)();
-  v3 = CGA3.inline(() => 1e3 + 1e5)();
-  w1 = CGA3.inline(() => 1e1 - Math.sqrt(0.2)*1e4 + Math.sqrt(1.2)*1e5)();
-  w2 = CGA3.inline(() => 1e2 - Math.sqrt(0.2)*1e4 + Math.sqrt(1.2)*1e5)();
-  w3 = CGA3.inline(() => 1e3 - Math.sqrt(0.2)*1e4 + Math.sqrt(1.2)*1e5)();
-  s = CGA3.inline(() => -Math.sqrt(1.2)*1e4 + Math.sqrt(0.2)*1e5);
+  let CGA3 = Algebra(4, 1);
+  let v1 = CGA3.inline(() => 1e1 + 1e5)();
+  let v2 = CGA3.inline(() => 1e2 + 1e5)();
+  let v3 = CGA3.inline(() => 1e3 + 1e5)();
+  let w1 = CGA3.inline(() => 1e1 - Math.sqrt(0.2)*1e4 + Math.sqrt(1.2)*1e5)();
+  let w2 = CGA3.inline(() => 1e2 - Math.sqrt(0.2)*1e4 + Math.sqrt(1.2)*1e5)();
+  let w3 = CGA3.inline(() => 1e3 - Math.sqrt(0.2)*1e4 + Math.sqrt(1.2)*1e5)();
+  let s = CGA3.inline(() => -Math.sqrt(1.2)*1e4 + Math.sqrt(0.2)*1e5);
   
   document.body.appendChild(CGA3.graph(
     [
diff --git a/engine-proto/ganja-test/ganja-test.jl b/engine-proto/ganja-test/ganja-test.jl
index 155caa9..9ea621b 100644
--- a/engine-proto/ganja-test/ganja-test.jl
+++ b/engine-proto/ganja-test/ganja-test.jl
@@ -25,20 +25,16 @@ canvas {
 }
 """
 
-# the "points spheres plane" example from the Ganja coffee shop
-#
-#   https://enkimute.github.io/ganja.js/examples/coffeeshop.html#cga3d_points_spheres_planes
-#
-sphere_example = """
+graph_script = """
 // in the default view, e4 + e5 is the point at infinity
-CGA3 = Algebra(4, 1);
-v1 = CGA3.inline(() => 1e1 + 1e5)();
-v2 = CGA3.inline(() => 1e2 + 1e5)();
-v3 = CGA3.inline(() => 1e3 + 1e5)();
-w1 = CGA3.inline(() => 1e1 - Math.sqrt(0.2)*1e4 + Math.sqrt(1.2)*1e5)();
-w2 = CGA3.inline(() => 1e2 - Math.sqrt(0.2)*1e4 + Math.sqrt(1.2)*1e5)();
-w3 = CGA3.inline(() => 1e3 - Math.sqrt(0.2)*1e4 + Math.sqrt(1.2)*1e5)();
-s = CGA3.inline(() => -Math.sqrt(1.2)*1e4 + Math.sqrt(0.2)*1e5);
+let CGA3 = Algebra(4, 1);
+let v1 = CGA3.inline(() => 1e1 + 1e5)();
+let v2 = CGA3.inline(() => 1e2 + 1e5)();
+let v3 = CGA3.inline(() => 1e3 + 1e5)();
+let w1 = CGA3.inline(() => 1e1 - Math.sqrt(0.2)*1e4 + Math.sqrt(1.2)*1e5)();
+let w2 = CGA3.inline(() => 1e2 - Math.sqrt(0.2)*1e4 + Math.sqrt(1.2)*1e5)();
+let w3 = CGA3.inline(() => 1e3 - Math.sqrt(0.2)*1e4 + Math.sqrt(1.2)*1e5)();
+let s = CGA3.inline(() => -Math.sqrt(1.2)*1e4 + Math.sqrt(0.2)*1e5);
 
 document.body.appendChild(CGA3.graph(
   [
@@ -70,4 +66,4 @@ loadjs!(win, "https://unpkg.com/ganja.js")
 
 # launch Ganja visualization
 body!(win, "", async=false)
-js(win, JSString(sphere_example))
+js(win, JSString(graph_script))
