diff --git a/README.md b/README.md
index 2571a9a..01ed2e1 100644
--- a/README.md
+++ b/README.md
@@ -10,8 +10,14 @@ This repository contains notes and codes for **Computer Graphics.**
 1. [Unit 1 - Graphics Primitives and Scan Conversion Algorithms](https://git.kska.io/sppu-se-comp-codes/CG/src/branch/main/notes/Unit%201)
 2. [Unit 2 - Polygon, Windowing and Clipping](https://git.kska.io/sppu-se-comp-codes/CG/src/branch/main/notes/Unit%202)
 
+
 ### Codes
-> _None added for now._
+#### Digital Differential Analyzer (DDA)
+> Digital Differential Analyzer (DDA) is a line-drawing algorithm for digital displays, using incremental calculations to plot points between endpoints.
+
+1. [Line](https://git.kska.io/sppu-se-comp-codes/CG/src/branch/main/DDA-line.cpp)
+2. [Triangle](https://git.kska.io/sppu-se-comp-codes/CG/src/branch/main/DDA-triangle.cpp)
+3. [Circle](https://git.kska.io/sppu-se-comp-codes/CG/src/branch/main/DDA-circle.cpp)
 
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