diff --git a/src/data/examples/en/01_Form/08_Trig_Wheels_and_Pie_Chart.js b/src/data/examples/en/01_Form/08_Trig_Wheels_and_Pie_Chart.js
new file mode 100644
index 0000000000..032f79232c
--- /dev/null
+++ b/src/data/examples/en/01_Form/08_Trig_Wheels_and_Pie_Chart.js
@@ -0,0 +1,88 @@
+/* 
+ * @name Trig Wheels and Pie Chart
+ * @frame 400,400
+ * @description contributed by <a href="https://www.rit.edu/directory/wmhics-w-michelle-harris">
+   <b>Prof WM Harris,</b></a> <b>How</b> to create
+a trig color wheel and a visualization of a population age data as a
+pie chart.<br/>
+	Functions are
+created for the canvas setup, trig color wheel, drawslice, and pie
+chart. The size of the slices are determined as well as their color
+range. The pie chart is separated by definitive color per value
+whereas the trig color wheel has a fixed slice amount with a range
+color fill.
+*/
+
+function setup() {
+  createCanvas(400, 400);
+  colorMode(HSB);
+  angleMode(DEGREES);
+
+  //vars for color wheel center point
+  let x = width / 2;
+  let y = height / 2 + 100;
+  colorWheel(x, y, 100); //slide 11
+
+  noStroke();
+  pieChartPop(200, 100); //slide 12
+}
+
+//**** slide 12 pie chart trig demo 
+function pieChartPop(x, y) {
+  let [total, child, young, adult, senior, elder] = [577, 103, 69,
+    122, 170, 113
+  ];
+  let startValue = 0;
+  let range = 0;
+
+  //child slice
+  range = child / total;
+  drawSlice("blue", x, y, 200, startValue, startValue + range);
+  startValue += range;
+  //young slice
+  range = young / total;
+  drawSlice("orange", x, y, 200, startValue, startValue + range);
+  startValue += range;
+  //adult slice
+  range = adult / total;
+  drawSlice("green", x, y, 200, startValue, startValue + range);
+  startValue += range;
+  //senior slice
+  range = senior / total;
+  drawSlice("tan", x, y, 200, startValue, startValue + range);
+  startValue += range;
+  //elder slice
+  range = elder / total;
+  drawSlice("pink", x, y, 200, startValue, startValue + range);
+  startValue += range;
+
+}
+
+/**
+ * drawSlice - draw colored arc based on angle percentages. slide 13
+ * Adjust angles so that 0% starts at top (actually -90).
+ * @param {color} fColor - fill color
+ * @param {number} x - center x
+ * @param {number} y - center y
+ * @param {number} d - diameter
+ * @param {float} percent1 - starting percentage
+ * @param {float} percent2 - ending percentage
+ */
+function drawSlice(fColor, x, y, d, percent1, percent2) {
+  fill(fColor);
+  arc(x, y, d, d, -90 + percent1 * 360, -90 + percent2 * 360);
+}
+
+//**** slide 11 trig demo 
+function colorWheel(x, y, rad) {
+  strokeWeight(10);
+  strokeCap(SQUARE);
+
+  //Iterate 360 degrees of lines, +10deg per turn
+  for (let a = 0; a < 360; a += 10) {
+    stroke(a, 150, 200); //hue based on a
+    //radius is 100, angle is a degrees
+    line(x, y, x + rad * cos(a),
+      y + rad * sin(a));
+  }
+}
\ No newline at end of file
diff --git a/src/data/examples/es/01_Form/08_Trig_Wheels_and_Pie_Chart.js b/src/data/examples/es/01_Form/08_Trig_Wheels_and_Pie_Chart.js
new file mode 100644
index 0000000000..20597a112e
--- /dev/null
+++ b/src/data/examples/es/01_Form/08_Trig_Wheels_and_Pie_Chart.js
@@ -0,0 +1,88 @@
+/* 
+ * @name Trig Wheels and Pie Chart
+ * @frame 400,400
+ * @description contributed by <a href="https://www.rit.edu/directory/wmhics-w-michelle-harris">
+   <b>Prof WM Harris,</b></a> <b>How</b> to create
+a trig color wheel and a visualization of a population age data as a
+pie chart.<br/>
+	Functions are
+created for the canvas setup, trig color wheel, drawslice, and pie
+chart. The size of the slices are determined as well as their color
+range. The pie chart is separated by definitive color per value
+whereas the trig color wheel has a fixed slice amount with a range
+color fill.
+*/
+
+function setup() {
+  createCanvas(400, 400);
+  colorMode(HSB);
+  angleMode(DEGREES);
+
+  //vars for color wheel center point
+  let x = width / 2;
+  let y = height / 2 + 100;
+  colorWheel(x, y, 100); //slide 11
+
+  noStroke();
+  pieChartPop(200, 100); //slide 12
+}
+
+//**** slide 12 pie chart trig demo 
+function pieChartPop(x, y) {
+  let [total, child, young, adult, senior, elder] = [577, 103, 69,
+    122, 170, 113
+  ];
+  let startValue = 0;
+  let range = 0;
+
+  //child slice
+  range = child / total;
+  drawSlice("blue", x, y, 200, startValue, startValue + range);
+  startValue += range;
+  //young slice
+  range = young / total;
+  drawSlice("orange", x, y, 200, startValue, startValue + range);
+  startValue += range;
+  //adult slice
+  range = adult / total;
+  drawSlice("green", x, y, 200, startValue, startValue + range);
+  startValue += range;
+  //senior slice
+  range = senior / total;
+  drawSlice("tan", x, y, 200, startValue, startValue + range);
+  startValue += range;
+  //elder slice
+  range = elder / total;
+  drawSlice("pink", x, y, 200, startValue, startValue + range);
+  startValue += range;
+
+}
+
+/**
+ * drawSlice - draw colored arc based on angle percentages. slide 13
+ * Adjust angles so that 0% starts at top (actually -90).
+ * @param {color} fColor - fill color
+ * @param {number} x - center x
+ * @param {number} y - center y
+ * @param {number} d - diameter
+ * @param {float} percent1 - starting percentage
+ * @param {float} percent2 - ending percentage
+ */
+function drawSlice(fColor, x, y, d, percent1, percent2) {
+  fill(fColor);
+  arc(x, y, d, d, -90 + percent1 * 360, -90 + percent2 * 360);
+}
+
+//**** slide 11 trig demo 
+function colorWheel(x, y, rad) {
+  strokeWeight(10);
+  strokeCap(SQUARE);
+
+  //Iterate 360 degrees of lines, +10deg per turn
+  for (let a = 0; a < 360; a += 10) {
+    stroke(a, 150, 200); //hue based on a
+    //radius is 100, angle is a degrees
+    line(x, y, x + rad * cos(a),
+      y + rad * sin(a));
+  }
+}
diff --git a/src/data/examples/ko/01_Form/08_Trig_Wheels_and_Pie_Chart.js b/src/data/examples/ko/01_Form/08_Trig_Wheels_and_Pie_Chart.js
new file mode 100644
index 0000000000..20597a112e
--- /dev/null
+++ b/src/data/examples/ko/01_Form/08_Trig_Wheels_and_Pie_Chart.js
@@ -0,0 +1,88 @@
+/* 
+ * @name Trig Wheels and Pie Chart
+ * @frame 400,400
+ * @description contributed by <a href="https://www.rit.edu/directory/wmhics-w-michelle-harris">
+   <b>Prof WM Harris,</b></a> <b>How</b> to create
+a trig color wheel and a visualization of a population age data as a
+pie chart.<br/>
+	Functions are
+created for the canvas setup, trig color wheel, drawslice, and pie
+chart. The size of the slices are determined as well as their color
+range. The pie chart is separated by definitive color per value
+whereas the trig color wheel has a fixed slice amount with a range
+color fill.
+*/
+
+function setup() {
+  createCanvas(400, 400);
+  colorMode(HSB);
+  angleMode(DEGREES);
+
+  //vars for color wheel center point
+  let x = width / 2;
+  let y = height / 2 + 100;
+  colorWheel(x, y, 100); //slide 11
+
+  noStroke();
+  pieChartPop(200, 100); //slide 12
+}
+
+//**** slide 12 pie chart trig demo 
+function pieChartPop(x, y) {
+  let [total, child, young, adult, senior, elder] = [577, 103, 69,
+    122, 170, 113
+  ];
+  let startValue = 0;
+  let range = 0;
+
+  //child slice
+  range = child / total;
+  drawSlice("blue", x, y, 200, startValue, startValue + range);
+  startValue += range;
+  //young slice
+  range = young / total;
+  drawSlice("orange", x, y, 200, startValue, startValue + range);
+  startValue += range;
+  //adult slice
+  range = adult / total;
+  drawSlice("green", x, y, 200, startValue, startValue + range);
+  startValue += range;
+  //senior slice
+  range = senior / total;
+  drawSlice("tan", x, y, 200, startValue, startValue + range);
+  startValue += range;
+  //elder slice
+  range = elder / total;
+  drawSlice("pink", x, y, 200, startValue, startValue + range);
+  startValue += range;
+
+}
+
+/**
+ * drawSlice - draw colored arc based on angle percentages. slide 13
+ * Adjust angles so that 0% starts at top (actually -90).
+ * @param {color} fColor - fill color
+ * @param {number} x - center x
+ * @param {number} y - center y
+ * @param {number} d - diameter
+ * @param {float} percent1 - starting percentage
+ * @param {float} percent2 - ending percentage
+ */
+function drawSlice(fColor, x, y, d, percent1, percent2) {
+  fill(fColor);
+  arc(x, y, d, d, -90 + percent1 * 360, -90 + percent2 * 360);
+}
+
+//**** slide 11 trig demo 
+function colorWheel(x, y, rad) {
+  strokeWeight(10);
+  strokeCap(SQUARE);
+
+  //Iterate 360 degrees of lines, +10deg per turn
+  for (let a = 0; a < 360; a += 10) {
+    stroke(a, 150, 200); //hue based on a
+    //radius is 100, angle is a degrees
+    line(x, y, x + rad * cos(a),
+      y + rad * sin(a));
+  }
+}
diff --git a/src/data/examples/zh-Hans/01_Form/08_Trig_Wheels_and_Pie_Chart.js b/src/data/examples/zh-Hans/01_Form/08_Trig_Wheels_and_Pie_Chart.js
new file mode 100644
index 0000000000..20597a112e
--- /dev/null
+++ b/src/data/examples/zh-Hans/01_Form/08_Trig_Wheels_and_Pie_Chart.js
@@ -0,0 +1,88 @@
+/* 
+ * @name Trig Wheels and Pie Chart
+ * @frame 400,400
+ * @description contributed by <a href="https://www.rit.edu/directory/wmhics-w-michelle-harris">
+   <b>Prof WM Harris,</b></a> <b>How</b> to create
+a trig color wheel and a visualization of a population age data as a
+pie chart.<br/>
+	Functions are
+created for the canvas setup, trig color wheel, drawslice, and pie
+chart. The size of the slices are determined as well as their color
+range. The pie chart is separated by definitive color per value
+whereas the trig color wheel has a fixed slice amount with a range
+color fill.
+*/
+
+function setup() {
+  createCanvas(400, 400);
+  colorMode(HSB);
+  angleMode(DEGREES);
+
+  //vars for color wheel center point
+  let x = width / 2;
+  let y = height / 2 + 100;
+  colorWheel(x, y, 100); //slide 11
+
+  noStroke();
+  pieChartPop(200, 100); //slide 12
+}
+
+//**** slide 12 pie chart trig demo 
+function pieChartPop(x, y) {
+  let [total, child, young, adult, senior, elder] = [577, 103, 69,
+    122, 170, 113
+  ];
+  let startValue = 0;
+  let range = 0;
+
+  //child slice
+  range = child / total;
+  drawSlice("blue", x, y, 200, startValue, startValue + range);
+  startValue += range;
+  //young slice
+  range = young / total;
+  drawSlice("orange", x, y, 200, startValue, startValue + range);
+  startValue += range;
+  //adult slice
+  range = adult / total;
+  drawSlice("green", x, y, 200, startValue, startValue + range);
+  startValue += range;
+  //senior slice
+  range = senior / total;
+  drawSlice("tan", x, y, 200, startValue, startValue + range);
+  startValue += range;
+  //elder slice
+  range = elder / total;
+  drawSlice("pink", x, y, 200, startValue, startValue + range);
+  startValue += range;
+
+}
+
+/**
+ * drawSlice - draw colored arc based on angle percentages. slide 13
+ * Adjust angles so that 0% starts at top (actually -90).
+ * @param {color} fColor - fill color
+ * @param {number} x - center x
+ * @param {number} y - center y
+ * @param {number} d - diameter
+ * @param {float} percent1 - starting percentage
+ * @param {float} percent2 - ending percentage
+ */
+function drawSlice(fColor, x, y, d, percent1, percent2) {
+  fill(fColor);
+  arc(x, y, d, d, -90 + percent1 * 360, -90 + percent2 * 360);
+}
+
+//**** slide 11 trig demo 
+function colorWheel(x, y, rad) {
+  strokeWeight(10);
+  strokeCap(SQUARE);
+
+  //Iterate 360 degrees of lines, +10deg per turn
+  for (let a = 0; a < 360; a += 10) {
+    stroke(a, 150, 200); //hue based on a
+    //radius is 100, angle is a degrees
+    line(x, y, x + rad * cos(a),
+      y + rad * sin(a));
+  }
+}