diff --git a/other/README.md b/other/README.md
index b9b8f4b..5695dd0 100644
--- a/other/README.md
+++ b/other/README.md
@@ -18,4 +18,6 @@ Other sketches without any specific purpose. If enough fit into a specific categ
 
 - **Graph-Theory** - A simple project closely mimicing the particle.js library.
 
-- **Old_Lines** - A short script connecting your current mouse position to that of yours moments ago.
\ No newline at end of file
+- **Old_Lines** - A short script connecting your current mouse position to that of yours moments ago.
+
+- **Rotating_Calculator** - Displays how Processing.py calculates the final position of an object given a rotational value. Mostly a test for me, trying to understand why some of my projects would rotate in strange and confusing ways.
\ No newline at end of file
diff --git a/other/Rotation_Calculator/Rotation_Calculator.pyde b/other/Rotation_Calculator/Rotation_Calculator.pyde
new file mode 100644
index 0000000..3d5c636
--- /dev/null
+++ b/other/Rotation_Calculator/Rotation_Calculator.pyde
@@ -0,0 +1,29 @@
+def setup():
+    size(500, 500)
+
+def drawLine(i):
+    stroke(0)
+    fill(0)
+    translate(width/2, height/2)
+    rotate(radians(i))
+    line(0, 0, 240, 0)
+    textSize(15)
+    text(i, 240, 0)
+    resetMatrix()
+    
+i = 0
+def draw():
+    background(204)
+    global i
+    i += 1
+    i = i % 360
+    if i % 90 == 0:
+        fill(255, 0, 0)
+    else:
+        fill(0)
+    textAlign(CENTER, CENTER)
+    textSize(40)
+    text(str(i), 500-40, 500-20)
+    drawLine(i)
+    for x in range(0, 360, 15):
+        drawLine(x)
diff --git a/other/Rotation_Calculator/sketch.properties b/other/Rotation_Calculator/sketch.properties
new file mode 100644
index 0000000..2456b0a
--- /dev/null
+++ b/other/Rotation_Calculator/sketch.properties
@@ -0,0 +1,2 @@
+mode=Python
+mode.id=jycessing.mode.PythonMode