Given some input equation, provide a numerical derivative at a given point. The user have a standard text input for the equation and point and the algorithm will provide the numerical derivative along with the steps the algorithm took to derive it. This algorithm will be able to differentiate trigonometric function, logarithmic, and exponentials.
Commit: a04552b234184eb32d68ae9a9dba90ba3d070bdb
Addition of changes: commenting out unnecessary UI testing code to make the Android application appear more professional for users.
Make UI on Android more professional by removing unnecessary buttons and making output text more professional.
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