diff --git a/class/Algorithms.wiki b/class/Algorithms.wiki
new file mode 100644
index 0000000..84801c6
--- /dev/null
+++ b/class/Algorithms.wiki
@@ -0,0 +1,21 @@
+= Algorithms =
+
+== Topics ==
+
+* Big O
+* Search algos
+  * binary
+  * quicksort
+  * bubble
+* heaps
+* priority queue
+* linear time sorting
+* red black trees
+* AVL
+* B-trees
+* hash tables
+* graphs
+  * traversal
+  * min spanning tree
+  * dijkstra
+  * BFS/DFS
diff --git a/class/CS.wiki b/class/CS.wiki
index 1ea0267..6533564 100644
--- a/class/CS.wiki
+++ b/class/CS.wiki
@@ -7,10 +7,10 @@ My self made CS course, for free.
 == Core CS ==
 
 * [[Discrete]]
-* Data structures
-* Programming patterns
-* Programming Languages
-* Algorithms
+* [[Data structures]]
+* [[Programming patterns]]
+* [[Programming Languages]]
+* [[Algorithms]]
 
 == Low level ==
 
diff --git a/class/Data structures.wiki b/class/Data structures.wiki
new file mode 100644
index 0000000..043800f
--- /dev/null
+++ b/class/Data structures.wiki	
@@ -0,0 +1,12 @@
+= Data structures =
+
+== Topics ==
+
+* Pointers
+* Dynamic arrays (vectors)
+* Linked lists
+  * single
+  * double
+* Stacks
+* Queue
+* Binary trees
diff --git a/class/Discrete.wiki b/class/Discrete.wiki
index bd0488d..314e39b 100644
--- a/class/Discrete.wiki
+++ b/class/Discrete.wiki
@@ -1 +1,25 @@
 = Discrete =
+
+== Topics ==
+
+* Propositional logic
+  * Define them
+  * and/or/implies/de morgan
+  * laws (communtative, associative, etc)
+* Predicate logic
+  * Functions on logic statments
+  * Quantifiers (A and E)
+  * Nested quantifiers
+* Functions
+  * domain, range
+* Sequences
+  * summnations
+  * geometric and arithmetic progressions
+  * recurrence relations
+* Set theory
+  * bags vs sets
+  * sets of numbers
+  * set operations
+* Inference
+* Induction
+  * pigeonhole
diff --git a/class/Programming patterns.wiki b/class/Programming patterns.wiki
new file mode 100644
index 0000000..d75b391
--- /dev/null
+++ b/class/Programming patterns.wiki	
@@ -0,0 +1,23 @@
+= Programming Patterns =
+
+== Topics ==
+
+* Object based programming
+* Templates
+* STL
+  * associative containers
+  * algorithms
+* Inheretance
+  * multiple inheretence
+* patterns
+  * singelton
+  * state design
+  * decorator
+  * observer
+  * chain of responsability
+  * visitor
+  * composite
+  * command
+  * memento
+  * flyweight
+  * registry