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 # routh_table
-This repo is belong to Control System class contains with Automated Routh Table Calculator based on Python
+This repo is belong to Control System class contains with Automated Routh Table Calculator based on Python. This code 100% original made by my hand :), please leave some notes if you're going to use it. Thanks!
+
+## Libraries
+Libraries that used in this program is ```numpy``` and ```pandas```. ```numpy``` works by define and perform array while ```pandas``` is the final form after ```numpy.array``` to simplify the presentation. They imported by write 
+```
+import numpy as np
+import pandas as pd
+```
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