diff --git a/README.md b/README.md
index 6b2e03f..bec3e65 100644
--- a/README.md
+++ b/README.md
@@ -1,4 +1,4 @@
-![Open Source Love](https://img.shields.io/badge/Open%20Source-%E2%9D%A4-pink.svg)
+![Open Source Love](https://img.shields.io/badge/Open%20Source-%E2%9D%A4-pink.svg)
 ![First Timers Only](https://img.shields.io/badge/first--timers--only-friendly-blue.svg?style=flat)
 ![Up For Grabs](https://img.shields.io/badge/up--for--grabs-friendly-green.svg?style=flat)
 
@@ -88,12 +88,26 @@ Start adding your names here:
 - I'm currently working as a Virtualization Specialist
 - [![twitter-alt][twitter-img]](https://twitter.com/ankso)
   [![github-alt][github-img]](https://github.com/anksos)
+ 
+### Anush93
+  - I am a young developer in Sri Lanka
+  - I'm currently a undergraduate
+  - My hobbies include:
+    - Coding
+    - Gaming
+    - Nature Photography
+  - [![github-alt][github-img]](https://github.com/Anush93)
 
 ### Anshima Chaudhary
-- I'm a contributor :)
-- I study CS
-- My hobbies include coding, debating and dancing
-- [![github-alt][github-img]](https://github.com/anshima1)
+  - I'm a contributor :)
+  - I study CS
+  - My hobbies include coding, debating and dancing
+  - [![github-alt][github-img]](https://github.com/anshima1)
+
+### Aditya Choudhary
+  - Software Engineer in India
+  - [![twitter-alt][twitter-img]](https://twitter.com/webmasteradi)
+    [![github-alt][github-img]](https://github.com/adich23)
 
 ### Anush93
 - I am a young developer in Sri Lanka
@@ -105,8 +119,8 @@ Start adding your names here:
 - [![github-alt][github-img]](https://github.com/Anush93)
 
 ### Arjun Rajpal
-- Software Engineer and a ML Enthusiast
-- [![github-alt][github-img]](https://github.com/arjunrajpal)
+  - Software Engineer and a ML Enthusiast
+  - [![github-alt][github-img]](https://github.com/arjunrajpal)
 
 # B
 
@@ -156,6 +170,13 @@ Start adding your names here:
 
 # C 
 
+### Celso Uliana
+- Last year student.
+- Perl and Node enthusiastic.
+- Regex, automating and graphs.
+- [![github-alt][github-img]](https://github.com/CelsoUliana)
+  [![facebook-alt][facebook-img]](https://www.facebook.com/profile.php?id=100009599017240&ref=bookmarks)
+  
 ### Charlye
 - Student of Development of multiplatform applications - Last year.
 - Working in the Povisa hospital (Programming and systems).
@@ -281,6 +302,11 @@ Start adding your names here:
 - [![twitter-alt][twitter-img]](https://twitter.com/GeekRanters)
   [![github-alt][github-img]](https://github.com/karengeerts)
 
+### Karthik Raja T.
+- A full stack developer.
+- I like to code and build applications.
+- [![github-alt][github-img]](https://github.com/Karthik-0)
+
 ### Kundan Kumar
 - I am a high school graduate.
 - I love AI, programming and web development.
@@ -296,6 +322,13 @@ Start adding your names here:
 - [![twitter-alt][twitter-img]](https://twitter.com/WitchScript)
   [![github-alt][github-img]](https://github.com/LaurenReilly)
 
+### Lincoln Anders
+- 1st year CS major at Georgia Tech
+- MERN full stack, primary interest in backend APIs
+- Node.js, Java, Bash, Swift
+- [![twitter-alt][twitter-img]](https://twitter.com/lincolnanders5)
+  [![github-alt][github-img]](https://github.com/lincolnanders5)
+
 ### Luke Oliff
 - Technical Writer working for @auth0
 - [![twitter-alt][twitter-img]](https://twitter.com/mroliff)
@@ -371,6 +404,13 @@ Start adding your names here:
 - [![twitter-alt][twitter-img]](https://twitter.com/rahman_younus)
   [![github-alt][github-img]](https://github.com/rahman95)
 
+### Ravi Thella
+- React Developer
+- Hobbies:
+  - Programming
+  - Watching Tennis
+- [![github-alt][github-img]](https://github.com/ravikishorethella)
+
 ### Ravindra Kumar Meena
 - Computer Sciene & Engineering Student
 - Hobbies:
@@ -393,7 +433,7 @@ Start adding your names here:
 - I love Python :heart:
 - Connect with me on social media platform
 - [![twitter-alt][twitter-img]](https://twitter.com/rowhitswami)
-  [![facebook-alt][facebook-img]](https://facebook.com/rowhitswami)		
+  [![facebook-alt][facebook-img]](https://facebook.com/rowhitswami)
   [![github-alt][github-img]](https://github.com/rowhitswami)
 
 ### Rui Li
diff --git a/code/simcache.pl b/code/simcache.pl
new file mode 100644
index 0000000..f9ea20f
--- /dev/null
+++ b/code/simcache.pl
@@ -0,0 +1,84 @@
+#!/usr/bin/perl -w
+use strict;
+use warnings;
+ 
+############################################################
+### Usage: simcache.pl n_blocks n_blocksPerSet(associativity) n_wordsPerBlock TracerFile
+### ex : simcache.pl 128 1 4 trace1.txt
+### output: n_access n_missRate n_substitutions
+### ex : 300 20 35
+###
+### Celso A. Uliana Junior - Aug 2016
+############################################################
+ 
+die "Usage: simcache.pl n_blocks n_blocksPerSet(associativity) n_wordsPerBlock TracerFile\n " if ( @ARGV != 4 );
+ 
+ 
+my $n_set = ( my $blocks = shift) / ( my $assoc = shift); 
+my $n_words = shift; 
+my $tracerfile = shift;
+my %cs;
+my $i = 0, my $j = 0;
+my $n_access, my $n_miss, my $n_substitutions, my $n_missRate;
+my $n_log_words = log($n_words)/log(2); 
+ 
+############################################################
+# If tracerfile is not .txt adds .txt to the string
+############################################################
+ 
+if($tracerfile !~ /^\w+\.(doc|txt)$/){
+    $tracerfile = $tracerfile . ".txt";
+}
+ 
+############################################################
+# Reading tracer file
+############################################################
+ 
+open TRC , "$tracerfile" or die "Couldn't open the file $tracerfile\n" ;
+ 
+ 
+ 
+my $test = 0 ;
+my $test2 = 0 ;
+my $test3 = 0 ;
+ 
+my $hit = 0 ;
+while( <TRC> ){
+    chomp ;
+    if( $n_set == $blocks ){
+        if( $cs{int(($_ / 4) % $n_set)}[0] ){   
+                $test = int(($_ / 4) % $n_set);
+                $test2 = int( ($_ / 4) / $n_set );
+                $test3 = $cs{int(($_ / 4) % $n_set)}[2] ;
+                print "indice = $test // tag esperada = $test2 // tag no hash = $test3 \n";
+            if( $cs{int(($_ / 4) % $n_set)}[2] != int( ($_ / 4) / $n_set ) ){
+                $n_miss++; 
+                $n_substitutions++; 
+                $cs{(int($_ / 4) % $n_set)}[2] = int( ($_ / 4) / $n_set );
+            }
+            else{
+                $hit++;
+            }
+        }
+        else{
+            $cs{int(($_ / 4) % $n_set)}[0] = 1;
+            $n_miss++ ;
+            $cs{int(($_ / 4) % $n_set)}[2] = int( ($_ / 4) / $n_set);
+             
+        }
+    }
+
+    $n_access++; 
+}
+ 
+print "hits = $hit // misses = $n_miss\n"; 
+close TRC;
+
+############################################################
+# Print the n_acess n_missrate n_substitutions
+############################################################
+ 
+printf  ("%d %d %d \n", $n_access, (($n_miss / $n_access) * 100), $n_substitutions);   
+ 
+exit(0);
+############################################################
\ No newline at end of file