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-# eSim
+##eSim
+
+eSim is an open source EDA tool for circuit design, simulation, analysis and PCB design, developed by FOSSEE team at IIT Bombay. 
+It is an integrated tool build using open source software such as Kicad (http://www.kicad-pcd.org), Ngspice (http://ngspice.sourcefouge.net/) 
+It is released under GNU GPL License. It runs on Ubuntu Linux, Windows XP and Windows.
+
+eSim has been successfully ported to low cost FOSSEE laptop (http://laptop.fossee.in)
+
+##Pre-requisites
+1. Python 2.7
+2. PyQt4
+3. Matplotlib
+4. NgSpice 
+5. Kicad (Latest Version build on July-14)
+
+##Installing and setting PATH for eSim
+1. Clone this repository or download it as zip file.
+2. set PYTHONPATH
+    - For Linux :
+        Open .bashrc file and add this line.
+
+        `export PYTHONPATH=$PYTHONPATH:/path-to-your-downloaded-folder/eSim/src`
+
+    - For Window :
+        set environment variable `PYHTONPATH` with complete path to your eSim/src
+
+
+##How to run eSim ?
+1. Using command line or terminal go to location eSim/src/frontEnd
+2. Type below command to open eSim
+        `python Application.py`
+
+
+##How to install latest version of kicad in Ubuntu ?
+1.Add PPA to your repository
+    `sudo add-apt-repository ppa:js-reynaud/ppa-kicad`
+
+2. Update your repo
+    `sudo apt-get update`
+
+3. Install kicad
+    `sudo apt-get install kicad`
+
+
+##How to install ngspice in Ubuntu?
+
+    `sudo apt-get install ngspice`
+
+
+