diff --git a/B12NumbersV3/guiButton.pde b/B12NumbersV3/guiButton.pde
index bdd5f5e..7927543 100644
--- a/B12NumbersV3/guiButton.pde
+++ b/B12NumbersV3/guiButton.pde
@@ -6,8 +6,9 @@ class Button{
   int mode; // Stores rect draw mode for button
   color col; // Stores static color
   color highlight; // Stores mouseover color
-  MethodRelay function;
+  MethodRelay function; // Gets called when button is pressed
   boolean mouseOver;
+  Object[] data; // Anything that gets passed to MethodRelay function
 
   Button(ClickHandler _ch, PVector _pos, PVector _dim, float _radius){
     ch = _ch;
@@ -19,6 +20,7 @@ class Button{
     highlight = color(100);
     mouseOver = false;
     ch.addl(new LiveMethodRelay(this, "clicked", float.class, float.class));
+    data = new Object[0];
   }
   Button(ClickHandler _ch, PVector _pos, PVector _dim){
     this(_ch, _pos, _dim, 0);
@@ -62,6 +64,7 @@ class Button{
   void clicked(float x, float y){
     if(mouseOver){
       println(x + " " + y + " mouse pos");
+      function.execute(data);
     }
   }
   
diff --git a/B12NumbersV3/guiMathPad.pde b/B12NumbersV3/guiMathPad.pde
index d13931a..5238137 100644
--- a/B12NumbersV3/guiMathPad.pde
+++ b/B12NumbersV3/guiMathPad.pde
@@ -14,7 +14,8 @@ class MathPad{
   
   void initialize(){
     for(int i = 0; i < 12; i++){
-      buttons[i] = new B12Button(this, ch, new PVector(25 * int(i%4),25 * floor(i/4)), new PVector(20,20),new B12Digit(i));
+      buttons[i] = new B12Button(ch, new PVector(25 * int(i%4),25 * floor(i/4)), new PVector(20,20),new B12Digit(i));
+      buttons[i].setFunction(new MethodRelay(this, "addChar", B12Digit.class));
       buttons[i].setColor(220,150);
     }
   }
@@ -42,28 +43,28 @@ class MathPad{
 }
 
 class B12Button extends Button{
-  Object parent;
   B12Digit digit;
   
-  B12Button(Object _parent, ClickHandler _ch, PVector _pos, PVector _dim, float _radius, B12Digit _digit){
+  B12Button(ClickHandler _ch, PVector _pos, PVector _dim, float _radius, B12Digit _digit){
     super(_ch,_pos,_dim,_radius);
+    data = (Object[])append(data, _digit);
     digit = _digit;
-    parent = _parent;
   }
-  B12Button(Object _parent, ClickHandler _ch, PVector _pos, PVector _dim, B12Digit _digit){
-    this(_parent, _ch, _pos, _dim, 2, _digit);
+  B12Button(ClickHandler _ch, PVector _pos, PVector _dim, B12Digit _digit){
+    this(_ch, _pos, _dim, 2, _digit);
   }
   
   // GETTERS AND SETTERS //
   B12Digit getDigit(){ return digit; }
   void setDigit(B12Digit _digit){ digit = _digit; }
   
+  /*
   @Override
   void clicked(float x, float y){
     if(mouseOver){
-      new MethodRelay(parent, "addChar", B12Digit.class).execute(digit);
+      new MethodRelay(target, "addChar", B12Digit.class).execute(digit);
     }
-  }
+  }*/
   
   @Override
   void display(){