diff --git a/B12NumbersV3/ActionCodeAll.pde b/B12NumbersV3/ActionCodeAll.pde
index 41757fc..6e9db39 100644
--- a/B12NumbersV3/ActionCodeAll.pde
+++ b/B12NumbersV3/ActionCodeAll.pde
@@ -12,7 +12,7 @@ class MouseHandler {
   float sMouseY(){return md.sMouseY();}
   float pSMouseX(){return md.pSMouseX();}
   float pSMouseY(){return md.pSMouseY();}
-  void frameUpdate(PVector offset, float scale){md.update(offset, scale);  println(mrs.length + " " + millis());}
+  void frameUpdate(PVector offset, float scale){md.update(offset, scale);}//  println(mrs.length + " " + millis());}
 
 
   void addRelay(LiveMethodRelay r) {
diff --git a/B12NumbersV3/B12Base.pde b/B12NumbersV3/B12Base.pde
index 5c0bbc5..20eb2e6 100644
--- a/B12NumbersV3/B12Base.pde
+++ b/B12NumbersV3/B12Base.pde
@@ -1,15 +1,12 @@
 abstract interface Number{
-  abstract void setPos(PVector _pos);
-  abstract void setPos(float _x, float _y);
   abstract PVector getPos();
-  
-  abstract void setAlignMode(int _mode);
+
   abstract void display();
 }
 
 class B12Digit{
-  byte value;
-  PVector refPos;
+  private byte value;
+  private PVector refPos;
   
   B12Digit(int _value){
     if(_value >= 12 || _value < 0){ 
@@ -27,9 +24,9 @@ class B12Digit{
   }
   
   // SETTERS
-  void setRefPos(PVector _refPos){ refPos = _refPos; }
-  void setRefPos(float _x, float _y){ refPos = new PVector(_x,_y); }
-  void setValue(int _value){ value = byte(_value); }
+  B12Digit setRefPos(PVector _refPos){ refPos = _refPos; return this;}
+  B12Digit setRefPos(float _x, float _y){ refPos = new PVector(_x,_y); return this;}
+  B12Digit setValue(int _value){ value = byte(_value); return this;}
   
   // GETTERS
   PVector getRefPos(){ return refPos; }
@@ -88,24 +85,24 @@ class B12Digit{
   }
   
   // Individual shape components to build any B12 number
-  void line0(){ ellipse(0,-13,8,0); }
-  void line1(){ line(6,0,9,-10); }
-  void line2(){ line(3,-10,6,0); }
-  void line3(){ line(0,0,3,-10); }
-  void line4(){ line(9,-10,2,-13); }
-  void line8(){ line(2,-13,9,-16); }
+  private void line0(){ ellipse(0,-13,8,0); }
+  private void line1(){ line(6,0,9,-10); }
+  private void line2(){ line(3,-10,6,0); }
+  private void line3(){ line(0,0,3,-10); }
+  private void line4(){ line(9,-10,2,-13); }
+  private void line8(){ line(2,-13,9,-16); }
   
   // Individual shape components to build any B12 character
-  void lineTimes(){ line(4,-7,8,-3); line(4,-3,8,-7); }
-  void dotsDiv(){ point(6,-8); point(6,-2); }
-  void lineMinus(){ line(3,-5,9,-5); }
-  void linePlus(){ line(6,-8,6,-2); }
-  void period(){ point(5,0); }
-  void colon(){ point(5,-2); point(5,-8); }
+  private void lineTimes(){ line(4,-7,8,-3); line(4,-3,8,-7); }
+  private void dotsDiv(){ point(6,-8); point(6,-2); }
+  private void lineMinus(){ line(3,-5,9,-5); }
+  private void linePlus(){ line(6,-8,6,-2); }
+  private void period(){ point(5,0); }
+  private void colon(){ point(5,-2); point(5,-8); }
   
   
   // HELPER FUNCTIONS //
-  boolean inStr(String st, char _c){
+  private boolean inStr(String st, char _c){
     try{
       int x = st.indexOf(_c);
       return true;
@@ -137,17 +134,17 @@ class B12Int implements Number {
   }
   
   int getValue(){ return value; }
-  void setValue(int _value){ value = _value; arrayLoaded = false; }
-  
-  void setPos(PVector _pos){ pos = _pos.copy(); inPosition = false; }
-  void setPos(float _x, float _y){ pos = new PVector(_x, _y); inPosition = false; }
   PVector getPos(){ return pos; }
   
-  void setMinLen(int i){ minLen = i; }
   
-  void setAlignMode(int _mode){
+  B12Int setValue(int _value){ value = _value; arrayLoaded = false; return this;}
+  B12Int setPos(PVector _pos){ pos = _pos.copy(); inPosition = false; return this;}
+  B12Int setPos(float _x, float _y){ pos = new PVector(_x, _y); inPosition = false;return this; }
+  B12Int setMinLen(int i){ minLen = i; return this;}
+  B12Int setAlignMode(int _mode){
     if(_mode == DECIMAL || _mode == LEFT || _mode == RIGHT){ mode = _mode; }
     else{ println("Alignment only accepts LEFT, RIGHT, and DECIMAL"); }
+    return this;
   }
   
   void display(){
@@ -223,24 +220,25 @@ class B12Float implements Number{
   }
   
   float getValue(){ return value; }
-  void setValue(float _value){ value = _value; arrayLoaded = false; }
-  
   PVector getPos(){ return pos; }
-  void setPos(PVector _pos){ pos = _pos.copy(); inPosition = false; }
-  void setPos(float _x, float _y){ pos = new PVector(_x, _y); inPosition = false; }
-  
   int getPlaces(){ return places; }
-  void setPlaces(int _places){ 
+  
+  
+  B12Float setValue(float _value){ value = _value; arrayLoaded = false; return this;}
+  B12Float setPos(PVector _pos){ pos = _pos.copy(); inPosition = false;return this; }
+  B12Float setPos(float _x, float _y){ pos = new PVector(_x, _y); inPosition = false;return this; }
+  B12Float setPlaces(int _places){ 
     if(_places > 12 || _places < 0){ 
       throw new IllegalArgumentException("B12Float ncan only display to 12 duodecimal points");
     }else{
       places = _places;
     }
+    return this;
   }
-  
-  void setAlignMode(int _mode){
+  B12Float setAlignMode(int _mode){
     if(_mode == DECIMAL || _mode == LEFT || _mode == RIGHT){ mode = _mode; }
     else{ println("Alignment only accepts LEFT, RIGHT, and DECIMAL"); }
+    return this;
   }
   
   void display(){
diff --git a/B12NumbersV3/B12NumbersV3.pde b/B12NumbersV3/B12NumbersV3.pde
index 94e2f9a..6d94496 100644
--- a/B12NumbersV3/B12NumbersV3.pde
+++ b/B12NumbersV3/B12NumbersV3.pde
@@ -11,8 +11,7 @@ void setup(){
   size(400,400);
   offset = new PVector(width/2, height/2);
   mh = new MouseHandler(new MouseData(offset, scale));
-  b = new Button(mh, new PVector(20,-20), new PVector(20,20));
-  b.setFunction(new MethodRelay(this, "changeMode"));
+  b = new Button(mh, new PVector(20,-20), new PVector(40,20),2).setColor(#06BA63).autoHighlight().setText("Reset").setFunction(new MethodRelay(this, "changeMode"));
   
   calc = new Calculator(mh);
 
@@ -21,11 +20,17 @@ void setup(){
 void draw(){
   background(196);
   mh.frameUpdate(offset, scale);
+  stroke(0);
+  strokeWeight(1);
+  line(width/2,0,width/2,height);
+  line(0,height/2,width,height/2);
   translate(offset.x,offset.y);
   scale(scale);
   
   if(calc != null) calc.display();
   b.display();
+  
+  
 }
 
 void mouseClicked(){
diff --git a/B12NumbersV3/B12TimeAll.pde b/B12NumbersV3/B12TimeAll.pde
index ffefc3f..4290934 100644
--- a/B12NumbersV3/B12TimeAll.pde
+++ b/B12NumbersV3/B12TimeAll.pde
@@ -47,28 +47,32 @@ class Time48 extends Thread{
   Time48 copy(){ return new Time48(this); }
   
   // SETTERS //
-  void setHour(int h){
+  Time48 setHour(int h){
     if(h < 0 || h >= 24) throw new IllegalArgumentException();
     hour48 = h;
     flattenOther();
     initialized = true;
+    return this;
   }
-  void setMin(int m){
+  Time48 setMin(int m){
     if(m < 0 || m >= 48) throw new IllegalArgumentException();
     min48 = m;
     flattenOther();
     initialized = true;
+    return this;
   }
-  void setSec(int s){
+  Time48 setSec(int s){
     if(s < 0 || s >= 48) throw new IllegalArgumentException();
     sec48 = s;
     flattenOther();
     initialized = true;
+    return this;
   }
-  void setTsec(int s){ // TODO add exception
+  Time48 setTsec(int s){ // TODO add exception
     tsec48 = s;
     flattenTSec();
     initialized = true;
+    return this;
   }
   
   // PRIVATE FUNCTIONS //
@@ -108,10 +112,11 @@ class STime48 extends Time48{
 
   // Public sync functions
   public boolean synced(){return synced;}
-  public void syncTime(){ synced = false; } // Allows syncing after time starts running
-  public void setTime(Time48 _time){
+  public STime48 syncTime(){ synced = false; return this; } // Allows syncing after time starts running
+  public STime48 setTime(Time48 _time){
     // To get offset we subtract where the current clock is from where we want it to be
     offset = _time.b10millis() - millis() - tmillis + syncedat;
+    return this;
   }
   
   // Threaded code
@@ -169,11 +174,11 @@ class Clock {
 
   // GETTERS and SETTERS //
   PVector getPos() { return pos; }
-  void setPos(PVector _pos) { pos = _pos.copy(); }
-  void setPos(float _x, float _y) { pos = new PVector(_x, _y);}
+  Clock setPos(PVector _pos) { pos = _pos.copy(); return this;}
+  Clock setPos(float _x, float _y) { pos = new PVector(_x, _y);return this;}
 
-  void setTime(Time48 _time) { t48.setTime(_time); }
-  void resetTime() { t48.setTime(new Time48(0)); }
+  Clock setTime(Time48 _time) { t48.setTime(_time); return this;}
+  Clock resetTime() { t48.setTime(new Time48(0)); return this;}
 
   void display() {
     if (t48.synced()) {
diff --git a/B12NumbersV3/guiB12Expression.pde b/B12NumbersV3/guiB12Expression.pde
index 73eaf9e..0bacd2d 100644
--- a/B12NumbersV3/guiB12Expression.pde
+++ b/B12NumbersV3/guiB12Expression.pde
@@ -8,7 +8,7 @@ class B12Expression {
   B12Digit getDigit(int index){ return expression[index]; }
   int length(){return expression.length;}
   
-  void setChar(int ind, B12Digit _digit){
+  B12Expression setChar(int ind, B12Digit _digit){
     expression = (B12Digit[])append(expression, _digit); // Add the new digit
     if(ind < expression.length - 1){ // Swap new digit
       for(int i = expression.length - 1; i > ind; i--){ // Start at second to last digit
@@ -16,10 +16,12 @@ class B12Expression {
       }
       expression[ind] = _digit;
     }
+    return this;
   }
   
-  void addChar(B12Digit _digit){
+  B12Expression addChar(B12Digit _digit){
     expression = (B12Digit[])append(expression, _digit);
+    return this;
   }
   
   void evaluate(){
diff --git a/B12NumbersV3/guiButton.pde b/B12NumbersV3/guiButton.pde
index 7825b98..555824f 100644
--- a/B12NumbersV3/guiButton.pde
+++ b/B12NumbersV3/guiButton.pde
@@ -1,24 +1,31 @@
-class Button{ // TODO make most of the attributes private
+class Button{
   private LiveMethodRelay listener;
   private MouseHandler mh;
+  
   private PVector pos; // Position to render from
   private PVector dim; // Second coordinate for CORNERS or len/wid for CORNER and CENTER
   private float radius; // Optional corner radius
   private int mode; // Stores rect draw mode for button
   private color col; // Stores static color
   private color highlight; // Stores mouseover color
+  private String text;
+  
   private MethodRelay function; // Gets called when button is pressed
   private boolean mouseOver;
   private Object[] data; // Anything that gets passed to MethodRelay function when key pressed. Must be set manually
 
   Button(MouseHandler _mh, PVector _pos, PVector _dim, float _radius){
     mh = _mh;
+    
     pos = _pos.copy();
     dim = _dim.copy();
     radius = _radius;
     mode = CORNER;
     col = color(200);
-    highlight = color(100);
+    colorMode(HSB);
+    highlight = color(150);
+    text = "";
+    
     mouseOver = false;
     listener = new LiveMethodRelay(this, "clicked", 'p', Object.class);
     mh.addRelay(listener);
@@ -33,25 +40,22 @@ class Button{ // TODO make most of the attributes private
   float getRadius(){return radius;}
   color getColor(){return col;}
   color getHighlight(){return highlight;}
+  String getText(){return text;}
   MethodRelay getFunction(){return function;}
   int getMode(){return mode; }
   
   // SETTERS //
-  void setRect(PVector _pos, PVector _dim){pos = _pos; dim = _dim; }
-  void setRadius(float rad){radius = rad;}
-  void setColor(color c){col = c; }
-  void setColor(color c, color h){col = c; highlight = h;}
-  void setHighlight(color h){ highlight = h; }
-  void setFunction(MethodRelay _function){function = _function;}
-  void setData(Object... _data){ data = _data; } // Data to pass for button presses. Ugh, note that the array already exists because it's passed as such, no need to create a new one. Stupid bug
+  Button setRect(PVector _pos, PVector _dim){pos = _pos; dim = _dim; return this;}
+  Button setRadius(float rad){radius = rad; return this;}
+  Button setColor(color c){col = c; return this;}
+  Button setColor(color c, color h){col = c; highlight = h; return this;}
+  Button autoHighlight(){ colorMode(RGB,255); highlight = color(int(red(col) * .85), int(green(col) * .85), int(blue(col) * .85)); return this; }
+  Button setHighlight(color h){ highlight = h; return this; }
+  Button setText(String t){text = t; return this;}
   
-  void setMode(int m){
-    if(m == CORNER || m == CORNERS || m == CENTER || m == RADIUS){
-      mode = m;
-      return; 
-    }
-    return;
-  }
+  Button setFunction(MethodRelay _function){function = _function;return this;}
+  Button setData(Object... _data){ data = _data; return this;} // Data to pass for button presses. Ugh, note that the array already exists because it's passed as such, no need to create a new one. Stupid bug
+  Button setMode(int m){ if(m == CORNER || m == CORNERS || m == CENTER || m == RADIUS){mode = m;return this;} /*Otherwise*/ return this;}
   
   // DISPLAY //
   void display(){
@@ -60,14 +64,19 @@ class Button{ // TODO make most of the attributes private
     new MethodRelay(this, "mouseOver" + str(mode), float.class, float.class).execute(mh.sMouseX(),mh.sMouseY());
     fill(mouseOver ? highlight : col);
     rect(pos.x,pos.y,dim.x,dim.y,radius);
+    fill(0);
+    textSize(dim.y * 0.8);
+    textAlign(CENTER,BOTTOM);
+    text(text,pos.x + dim.x/2,pos.y + dim.y);
   }
   
   
   // MOUSE FUNCTIONS //
   void clicked(Object _mp){ // mp[0] is smouseX and m[1] is smouseY
     float[] mp = (float[])_mp;
-    if(mouseOver){
-      println(mp[0] + " " + mp[1] + " mouse pos");
+    if(mouseOver && mouseButton == LEFT){
+      //println(mp[0] + " " + mp[1] + " mouse pos");
+      //println(col + " : " + highlight);
       function.execute(data);
     }
   }
@@ -75,60 +84,38 @@ class Button{ // TODO make most of the attributes private
   // DETECT IF MOUSE IS OVER BUTTON //
   // The numbers in the method name correspond to the mode ids because the method gets called with a relay
   void mouseOver0(float x, float y){ // CORNER
-    //println("CORNER");
-    if(x < pos.x || x > pos.x + dim.x || y < pos.y || y > dim.y + pos.y) 
-    {
-      mouseOver = false; 
-      return;
-    }
-    mouseOver = true;
+    mouseOver = !(x < pos.x || x > pos.x + dim.x || y < pos.y || y > dim.y + pos.y) ;
   }
   
   void mouseOver1(float x, float y){ // CORNERS
     //println("CORNERS");
-    if(x < (pos.x > dim.x ? dim.x : pos.x) || 
-       x > (pos.x > dim.x ? pos.x : dim.x) || 
-       y < (pos.y > dim.y ? dim.y : pos.y) || 
-       y > (pos.y > dim.y ? pos.y : dim.y))
-    {
-      mouseOver = false;
-      return;
-    }
-       
-    mouseOver = true;
+    mouseOver = !(x < (pos.x > dim.x ? dim.x : pos.x) || 
+                  x > (pos.x > dim.x ? pos.x : dim.x) || 
+                  y < (pos.y > dim.y ? dim.y : pos.y) || 
+                  y > (pos.y > dim.y ? pos.y : dim.y));
   }
   
   void mouseOver2(float x, float y){ // RADIUS
     //println("RADIUS");
-    if(x < pos.x - dim.x || 
-       x > pos.x + dim.x || 
-       y < pos.x - dim.y || 
-       y > pos.x + dim.y) 
-    {
-      mouseOver = false;
-      return;
-    }
-    mouseOver = true;
+    mouseOver = !(x < pos.x - dim.x || 
+                  x > pos.x + dim.x || 
+                  y < pos.x - dim.y || 
+                  y > pos.x + dim.y);
   }
   
   void mouseOver3(float x, float y){ // CENTER
     //println("CENTER");
-    if(x < pos.x - dim.x/2 || 
-       x > pos.x + dim.x/2 || 
-       y < pos.x - dim.y/2 || 
-       y > pos.y + dim.y/2)
-    {
-      mouseOver = false;
-      return;
-    }
-    mouseOver = true;
+    mouseOver = !(x < pos.x - dim.x/2 || 
+                  x > pos.x + dim.x/2 || 
+                  y < pos.x - dim.y/2 || 
+                  y > pos.y + dim.y/2);
   }
   
   // GARBAGE COLLECTION //
   // kill the mouse listener so it will get removed from the mouse event cascade
   @Override
   protected void finalize(){ 
-    println("finalized");
+    //println("finalized");
     listener.kill();
   }
 }
diff --git a/B12NumbersV3/guiMathDisplay.pde b/B12NumbersV3/guiMathDisplay.pde
index 8bade12..ab8256f 100644
--- a/B12NumbersV3/guiMathDisplay.pde
+++ b/B12NumbersV3/guiMathDisplay.pde
@@ -8,7 +8,7 @@ class MathDisplay {
   }
   
   PVector getPos(){ return pos; }
-  void setPos(PVector _pos){ pos = _pos; }
+  MathDisplay setPos(PVector _pos){ pos = _pos; return this;}
   
   void display(){
     pushMatrix();
diff --git a/B12NumbersV3/guiMathPad.pde b/B12NumbersV3/guiMathPad.pde
index 44f1bd3..fc97f0a 100644
--- a/B12NumbersV3/guiMathPad.pde
+++ b/B12NumbersV3/guiMathPad.pde
@@ -1,7 +1,7 @@
 class MathPad{
   B12Expression ex;
   MouseHandler mh;
-  B12Button[] buttons;
+  Button[] buttons;
   PVector pos;
   
   MathPad(MouseHandler _mh, B12Expression _ex){
@@ -14,9 +14,7 @@ class MathPad{
   
   void initialize(){
     for(int i = 0; i < 12; i++){
-      buttons[i] = new B12Button(mh, 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);
+      buttons[i] = new B12Button(mh, new PVector(22 * int(i%4),22 * 2 - 22 * floor(i/4)), new PVector(20,20),new B12Digit(i)).setFunction(new MethodRelay(this, "addChar", B12Digit.class)).setColor(220,150);
     }
   }
 
@@ -54,7 +52,7 @@ class B12Button extends Button{
   
   // GETTERS AND SETTERS //
   B12Digit getDigit(){ return digit; }
-  void setDigit(B12Digit _digit){ digit = _digit; }
+  B12Button setDigit(B12Digit _digit){ digit = _digit; return this; }
   
   @Override
   void display(){
diff --git a/B12NumbersV3/zchangelog.pde b/B12NumbersV3/zchangelog.pde
index 1fd6368..3967e19 100644
--- a/B12NumbersV3/zchangelog.pde
+++ b/B12NumbersV3/zchangelog.pde
@@ -3,7 +3,7 @@
     Beta version of a clock in base 12.
     by Nayan Sawyer
     started Mar 2022
-    version 0.1.5.2 April 30 2022
+    version 0.1.5.3 April 30 2022
     
     Characters are a variation of Kaktovik Inupiaq numerals
     reversed and in base 12 instead of 20. I take no credit 
@@ -12,7 +12,6 @@
     for more details.
     
     // TODO redo position data handling
-    // WORKING redo mouse handling 
     // TODO add cursor and dynamic position for MathDisplay (Maybe add a "highlighted" attribute to B12Digit?) might need some restructuring
     // TODO add parsing expression to operable math string (tricky to get base 12 to base 10)
     // TODO add operator and action buttons to MathPad
@@ -20,6 +19,12 @@
     // MAYBE start clock widget structure
     // MAYBE add additional operations like power, log, and trig functions
     
+    changelog 0.1.5.3
+    - restricted button presses to left mouse button only.
+    Updated button highlight color functionality. Updated all
+    classes to return themselves from their setters. This 
+    allows chaining set methods on one line.
+    
     changelog 0.1.5.2
     - major changes to mouse handling, and MethodRelay now
     uses weak references rather than strong references so